These are all California legal as of 2016 and can be registered in 2017 as assault weapons. This means removing some restrictions that apply in 2016 for some of them.
Sterling Mk 4 (L2A3) (Wiki)
Testing started in 1944 but it was put into service starting in 1953.
L2A3: (Sterling Mark 4) Adopted in 1956. Last regular version in service with the British Army, Royal Marines and RAF Regiment.
9mm 7.7" barrel. So in California this is a semi-auto pistol, so the stock mounting ears have been cut off so it is not classified as a short barreled rifle.
There is a metal vane welded into the receiver which prevents installing the full auto bolt, so is a semi-auto, not a full auto.
In the Design details section of the Wiki page it mentioned: "There are two concentric recoil springs which cycle the bolt, as opposed to the single spring arrangement used by many other SMG designs. This double-spring arrangement significantly reduces "bolt-bounce" when cartridges are chambered, resulting in better obturation, smoother recoil and increased accuracy."
Three parts kits purchased and the best bits used for the re-welding operation to make California legal semi-auto version.
Bolt bounce was part of the design considerations for 22 adapter kits for the full auto M16. It's mainly a problem in full auto guns, not so much (or at all?) in semi-auto guns.
Numrich 1410230 with barrel, no mag
Apex Sterling L2A3 - Kit - optional mags
Old Arms of Idaho - Sterling L2A3 Kit with barrel and mag
Spring kits from Surf Tactical.com
US Patents2424944 Folding stock for automatic firearms, William Patchett George, Filed: May 26, 1943 Pub: Jul 29, 1947, 42/72 -
2426563 Recoil mechanism for automatic firearms, William Patchett George, Filed: Apr 1, 1943 Pub: Aug 26, 1947, 89/198 -
2432486 Fire controlling mechanism for automatic firearms, William Patchett George, Filed: Aug 17, 1942 Pub: Dec 9, 1947, 89/142, 298/22.0AE, 124/37 -
2437548 Telescopic firearm, William Patchett George, Filed: Mar 13, 1944 Pub: Mar 9, 1948, 42/72, 42/73, 89/194 -
2467270 Folding bayonet for firearms, William Patchett George, Filed: Mar 13, 1944 Pub: Apr 12, 1949, 42/86 -
2510831 Cartridge magazine for automatic firearms, William Patchett George, Filed: Apr 18, 1946 Pub: Jun 6, 1950, 89/34, 42/50 - "one of the best" (see YouTube below)
3012479 Firing mechanism for automatic firearms, Ernest Ruffell Leslie, Sterling Engineering Company L, Dec 12, 1961, 89/142
3058222 Aperture sighting for firearms, William Patchett George, Oct 16, 1962, 42/142 -
YouTube: Forgotten Weapons - British Submachine Gun Overview: Lanchester, Sten, Sterling, and More! -
Sterling SMG at the Range -
Sterling MK4 Select Fire Machine Gun - both open & closed bolt versions
Tavor SAR (Wiki)
Made in Pennsylvania rather than Israel because of gun laws. Made to be semi-automatic. 0.223 caliber. Bull-pup (Wiki) design.
Steyr AUG (Wiki)Designed in the 1960s. 0.223 caliber, but they are also made in NATO 7.62x51
Fig 1 Bull-pup (Wiki) stock assembly
Fig 2 Bolt assembly
Fig 4 Picatinny rail (Wiki), Chamber, separate from barrel
Fig 5 Short barrel assembly
Fig 6 long barrel assembly
4191089 Breech-closing mechanism for automatic rifle, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Mar 4, 1980, 89/181, 89/185 - bull pup
4555860 Rifle breech assembly, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Dec 3, 1985, 42/25 -
4702144 Cocking slide for automatic hand firearms, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Oct 27, 1987, 89/1.4, 89/181 -
4739570 Firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Apr 26, 1988, 42/15, 42/39.5, 42/69.01 - chamber separate from barrel
4760663 Firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Aug 2, 1988, 42/15, 89/155, 42/39.5, 89/33.03 - bull pup
4817496 Firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Apr 4, 1989, 89/191.02 -
4916844 Hand-held firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Apr 17, 1990, 42/75.02, 42/70.02 - bull pup
4930241 Hand-held firearm provided with a detachable sight, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Jun 5, 1990, 42/148 -
4941394 Hand-held automatic firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Jul 17, 1990, 89/129.02, 89/142, 89/141 -
4944109 Rifle, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Jul 31, 1990, 42/71.01, 42/75.01 -
4949493 Firearm, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Aug 21, 1990, 42/15, 42/25, 42/39.5 -ejector, bull pup
5852892 Rifle with bipod, Ulrich Zedrosser, Steyr-Daimler-Puch Ag, Dec 29, 1998, Dec 29, 1998, 42/94, 42/72 -
SIG stgw57 (Wiki)I had a civilian version (Forgotten Weapons: SIG PE57) of this many decades ago.
Patent assignee: Energa,
YouTube: Bloke on the Range:
Swiss Sturmgewehr 57, 7.5x55: the how and the why with Dale Ding-
Many design elements are to support rifle grenades. Including a patented rubber (14:15) stock that drastically deforms when firing their very heavy rifle grenade. The extended trigger lever is really not a "winter trigger" but a way to prevent breaking your hand when firing rifle grenades. This was made for full automatic fire so is light weight for a machine gun. A special grenade magazine that's shorter so with recoil it clears trigger finger.
2841908 Trigger actuator for firearms, Bourquin Eugene, Brevets Aero-Mecaniques SA, Priority: 1954-05-26, Pub: 1958-07-08,
42/69.01 -"The present invention relates to firearms and in particular rifles intended to be fitted with grenade launchers. The object of my invention is to provide a firearm of this kind which is better adapted to meet the requirements of practice than those used up to the present." i.e. not a "winter trigger".
3256632 Foldable butt particularly suited for rifle convertible into a grenade thrower, Beretta Pier Carlo, Fabbrica d Armi P Beretta SpA, 1966-06-21 42/72 - not the SIG patent, but the same idea.
SWISS FLYING CARROTS: Stgw. 57 Rifle Grenades (Part 1/2: History & Technical)
M58 Rifle grenade -
- SWISS FLYING CARROTS Part Deux: Stgw. 57 Rifle Grenades (Part 2/2: Technology)
YouTube: Forgotten Weapons: SIG PE-57 Swiss Roller-Delay -
Also known as the SIG 510. Used by from 1957 up to 1990. Replaced by the SIG SG 550 (Wiki).
The long arm assigned to every able bodied man in Sweden.
7.5x55 (Wiki) Swiss caliber.
The action is a roller delayed blow back (Wiki) (see G3 below)
Fig 1 Barrel assembly
Fig 2 Roller lock bolt assembly
Fig 3 Stock assembly
Fig 4 Bipod on barrel assembly
Fig 5 Grip and rear sight assembly
Fig 6 Grip and rear sight assembly
Fig 7 front and rear ends of receiver with center demilled.
Fig 8 Rifle assembled but with missing receiver.
Fig 9 Bayonet & barrel
Fig 10 bolt that interchangeable with old rifles
Fig 11 CAD drawing of receiver
Heckler & Koch G3 (Wiki)Fires the 7.62 x 51 NATO round (.308). (Wiki)
The action is a roller delayed blow back (Wiki) the same as the SIG stgw57 above.
3283435 Breech closure, Koch Theodor, Heckler and Koch GmbH, 1966-11-08 (patent currently missing figures showing roller delayed mechanism, so see WikiMedia)
Short Magazine Lee–Enfield (SMLE) (Wiki)In the 1960s there seemed to be a large number of various versions of this rifle for sale on the surplus market.
It fires the .303 cartridge (Wiki).
This is a Mk 3 which began production in 1907.
Bren light machine gun (Wiki)
These were made in the 1930s and fire the same British .303 round as the SMLE above.
IMI Galil (Wiki)Made in the late 1960s. This one is in .223 (5.56 x 45).
US3618457 Rotary and sliding firearm bolt with eternal cam,
Striker 12 (Wiki)
YouTube: Forgotten Weapons: Striker 12: Shotgun Turned "Destructive Device" - it's a drum fed semi-auto 12 Ga shotgun. To minimize the trigger effort the drum is spring wound. (@9:23) "In 1994, public pressure led the Clinton administration to designate the Striker-12 along with the Cobray Streetsweeper and USAS-12 (Wiki) shotguns as Destructive Devices under the 1934 National Firearms Act."
4426802 Firearm, Hilton R. Walker, Aserma Mfg, 1984-01-24, - The Striker-12
The main problem to be overcome is the rotational inertia of the magazine.
A spring advances the cylinder, hence it's a semi-automatic gun.
The South African police deemed this a semi-auto gun, and so it was banned. (@4:53)
This was copied as the Cobray SWD Street Sweeper.
5092069 Firearm, Hilton R. Walker, Hoffmann Walker, 1992-03-03, - The Protecto
It seems the main problem is gun laws where a claim is made:
"The only firearms having drum magazines, of which the Applicant is aware, are either automatic or semi-automatic firearms. However for many different applications of firearms, automatic and semi-automatic firearms are not permitted. In this invention a firearm having a drum magazine is disclosed which is not an automatic firearm."
Designed to be "manually operated" by requiring advancing the drum by turning the front grip.
In the U.S. Sentinel Arms Corp, Ridgway, PA
Also see the 40mm M32 Multiple Grenade Launcher (MGL) "Six Pack Attack" & the Manville gas gun (Wiki).
2101148 Machine projector, Charles J Manville, 1937-12-07, -
The M1014 (Wiki) adopted by US Marines.
Benelli M1014 shotgun is for the Marine Corps only, 10:56 -
3447417 Gun with a floating breech bolt, Bruno Civolani, Benelli SpA, 1969-06-03,
89/182; 89/190 - " It is an object of this invention to obviate said disadvantage by providing a weapon by which it is possible to fire safely and repeatedly any light charge or heavy charge cartridge with excellent results, with a substantial reduction in recoil with respect to other guns and with a regular and easy ejection of the cartridge case."
Origins of Constant Recoil: The Ultimax Mk3 &Knight's Assault Machine Guns at the Range - both highly praise the "Constant Recoil" system in that it adds a lot of control to full automatic fire. The particular guns made for Singapore had some reliability problems. It's not clear if that's related to the constant recoil aspect or something else. So far have not found the patent for this.
While watching the Forgotten Weapons YouTube:
Ma Deuce: The Venerable Browning M2 .50 Caliber HMG - there was a closeup of the patent numbers.
So here are those patents plus other related/referenced patents.
1293021 Automatic machine-gun, John M Browning, 1919-02-04, - M1919 Browning machine gun (Wiki)
1628226 Automatic firearm, Browning John, 1927-05-10, -
RE19159 (was: 1803351) Reversible feed mechanism for Machine Guns,
Frederick T Moore, Pfeiffer Christian, Colt's Patent Fire Arms Mfg,Colts Mfg, 1931-05-05, - belt from left or right
1803351 Reversible feed mechanism for machine guns, Frederick T Moore, Pfeiffer Christian,
1845242 Bolt operating mechanism for machine guns, Richard C Coupland, 1932-02-16, -The purpose of the invention is to provide a machine gun trunnion block which is adapted to mount different types of jackets without resorting to the use of matched threads and to provide means on the trunnion block for locking the Selected jacket in a predetermined position.
1858498 Bolt operating mechanism for machine guns, James L Hatcher, 1932-05-17, -
1919242 Cooling system for firearms, Frederick T Moore, Colts Manufacturing Co, 1933-07-25, - either air or water cooling
1936254 Reversible feed mechanism for machine-guns, Frederick T Moore, Colts Manufacturing Co, 1933-11-21, - for left or right hand feed
2101851 Machine gun jacket mounting, Samuel G Green, 1937-12-14, - "
2108060 Back plate latch for machine guns, Samuel G Green, 1938-02-15, - allows the back plate to be easily removed.
2110165 Machine gun, Frederick T Moore, Colts Manufacturing Co, 1938-03-08, - "The invention relates to a machine gun, particularly to air-cooled machine gun, having a readily detachable barrel. One of the objects of the invention is to provide a machine gun of the reciprocating barrel type, wherein the barrel may be readily put in place or removed from the front of the gun without disturbing or disassembling any other essential gun part."
This is a selective fire (semi or full auto) 12 Gz shotgun that uses 2-3/4" shells. It uses a 10 shot revolver type magazine.Forgotten Weapons: YouTube:
Pancor Jackhammer: The Real One - This is the only surviving one of the three made.
Pancor Jackhammer Mk3 - this is an non functional prototype missing parts because never fully built
The videos mention:
HP White Laboratory, which closed in 2020 - here's their YouTube channel: HP White Laboratory.
Here's a snapshot from 7 Aug 2012 of their web page.
Webley–Fosbery Automatic Revolver (Wiki)
584631 Recoil operated firearm, G. V. Fosbery, 1897-06-15, -
Also holds UK patents:
GB189515453 Improvements in Revolvers, Magazine Pistols, and other Small-arms, 1896-07-04
GB189612470 Improvements in Pistols and other Small-arms, 1896-07-11
GB189624155 Improvements in Pistols and other Small Arms, 1897-10-23
688217 Automatic revolver-firearm, William John Whiting, 1901-12-03, -
"This invention relates to small-arms of the breakdown-revolver type, and has reference to automatic revolvers primarily of the Webley-Fosbery class." "... in conjunction with means for insuring the rotation of the cylinder in the proper direction." oops
So this adds the zig-zag to the outside of the cylinder.
Whiting holds a number of patent on this: 584631, 688216, 688217, 700592,
The way the revolver cylinder is grooved on the Real One is different than shown in the below patents.
Both of these patents look like the MK3 - it has the cast handle/sight that dovetails onto the receiver.
4709617 Firearm, John A. Anderson, 1987-12-01, -
Fig 1 is the exploded view.
4856410 Firearm, John A. Anderson, 1989-08-15, -
Fig 1 is just the cylinder. The patents cited are mostly about the cylinder
Forgotten Weapons: Hill SMG/Pistol: Inspiration for the FN P90, 15:39
2624241 Gun action, John L Hill, 1953-01-06, -
Notice that the rounds in the magazine are turned 90 degrees from the barrel.
Turntable is part of receiver.
2773325 Magazine and cartridge container assembly, John L Hill, 1956-12-11, -
2882635 Tubular combined cartridge container and magazine unit, John L Hill, 1959-04-21, -
3064382 Gun with ejection through hand grip, John L Hill, 1962-11-20, -
5012743 High-performance projectile, Jean-Paul Denis, Marc Neuforge, FN, Priority: 1988-12-05, Pub: 1991-05-07, -
FN 5.7×28mm (Wiki) - new round to penetrate Russian military body armor.
The case has straight walls, no taper like on most rifle cartridges. This was probably done to allow stacking in the unique magazine of the P90.
4905394 Top mounted longitudinal magazine, Rene Predazzer, FN, 1990-03-06, -
They have the turntable in the magazine.
The inventors for the Grease Gun: Frederick W Sampson and George J Hyde also were involved with the FP-45 Liberator Pistol.
In Jan 1943 the M3 Grease Gun replaced the M1A1 Thompson.
YouTube: Forgotten Weapons:
M3 and M3A1 Grease Gun SMGs -
Shooting the M3A1 Grease Gun -
Suppressed OSS M3 Grease Gun and Bushmaster Booby Trap Trigger - "Booby Trap" backwards spells "Party Boob"
Valkyrie Arms Semiauto M3A1 Grease Gun semi-auto is legal in DC.
Denix: Collectors armoury: SKU: 22-1313 Non-Firing Replica US "Grease Gun" .45 Submachine Gun
SARCO: REP44 Grease Gun Replica With Sling And Cover - this is the M3 not the M3A1
2403306 Firearm construction, Frederick W Sampson, George J Hyde, GM, App: 1944-05-01, Pub: 1946-07-02, -
2418906 Breech bolt retracting means, Frederick W Sampson, George J Hyde, GM, App: 1944-05-01, Pub: 1947-04-15, -
2424194 Extensible shoulder stock for firearms, Frederick W Sampson, George J Hyde, GM, App: 1944-05-01, Pub: 1947-07-15, -
Note the FP-45 Liberator pistol and this sub machine gun are both made mainly out of sheet metal.
This M3 has charging handle.
2428683 Firearm safety, Frederick W Sampson, George J Hyde, GM, App: 1944-05-01, Pub: 1947-10-07, -
Tab on dust cover blocks bolt in either forward or cocked positions.
2539554 Trigger and sear mechanism, Frederick W Sampson, George J Hyde, GM, App:1944-05-01, Pub: 1951-01-30, -
This M3 has charging handle.
Forgotten Weapons: Thompson 1921: The Original Chicago Typewriter - 800 RPM
@8:01: Patents: March 9, 1915 (1131319), May 4, 1920, May 25, 1920, May 25, 1920, July 27, 1920, Aug 10, 1920, Sep 7, 1920, Oct 26, 1920, Dec 28, 1920
Shooting the Thompsons: Comparing the 1921, 21/28, and M1A1 - 1921: 960 RPM, 1921/28: 830 RPM, M1A1: 655 RPM
Ken Hackathorn on the Thompson and the MP5, 26:15 -
Model 1927 Thompson Semi Automatic Carbine -
Collectors Armory: Replica Thompson M1928 Submachine Gun Non-Firing, SKU: 22-1092 Order: May 7, 2021.
I'm very disappointed that the stock is fixed to the receiver! On the actual gun you can just press a button and slide the stock back. This allows storing the gun, stock and magazine in a violin case.
There's a photo of John T. Thompson holds aloft a stockless M1921
Fig 4 Bolt cocked and
will slam home when trigger is pulled
Rear sight in up position.
Photo from Wiki.
1312687 Firearm, Theodore H Eickhoff, Auto Ordnance, 1919-08-12, -
Maybe developed for the Thompson Autorifle (Wiki) but also used on the Sub Machine Gun.
1329444 Gun-barrel, Thompson John Taliaferro, 1920-02-03, - not as tight a fit so reduce wear and temperature in a machine gun.
1347755 Cartridge-magazine, Oscar V Payne, Auto Ordnance, 1920-07-27, - 50 round drum magazine
1350619 Cartridge-magazine, Oscar V Payne, Auto Ordnance, 1920-08-24, -20 round stick magazine
1351141 Buffer, Thompson John Taliaferro,1920-08-31, -
1425808 Breech mechanism for guns, Thompson John Taliaferro, Auto Ordnance, 1922-08-15, 89/152; 89/142; 89/190; 42/69.02; 89/187.01; 89/198 -
Shows single control: Safe, Semi-auto, Full-auto - but this was not used.
1425809 Breech-closure mechanism, Thompson John Taliaferro, Auto Ordnance, 1922-08-15, 89/187.01; 89/190; 42/106 -
Cites: 1131319 Breech-closure for firearms, John Blish, 1915-03-09, - Blish Lock (Wiki) a myth, really blow back.
1636357 Anticlimb device, Richard M Cutts Jr., Richard M. Cutts Sr., 1927-07-19, - Cutts Compensator (Wiki: Muzzle Break)
"Heretofore, one of the serious faults in gun design has been the failure to secure symmetry of conformation and consequent equality of distribution of weight and of thrust about the longitudinal axis of the piece. This failure renders the gun more difficult to aim and results in frequent break ages due to asymmetric stresses. When the lack of symmetry appears in reciprocating parts its deleterious effect is very much increased. The lack of balance in weight of these reciprocating parts carries the resultant of the thrust due to the movement of the parts, out of the line of the longitudinal axis of the piece. This eccentrically oper ating thrust creates a lateral component tending to turn the gun and to cause the parts to chatter and ultimately break. And this eccentric component of the thrust is particularly marked in machine guns and other rapid-fire guns where the reciproction takes place at a rapid rate."
1352414 Breech lubrication,
1403492 Hammer construction, Theodore H Eickhoff, Auto Ordnance, 1922-01-17, -
cited in patent 1817321
Fires from a closed bolt in semi and full auto.
Hammer (24), Firing Pin (18)
Shows single control: Safe, Semi-auto, Full-auto - but this was not used.
1406546 Breech closure for guns,
1408276 Gun sight, Theodore H Eickhoff, Auto Ordnance, App: 1920-12-22, Pub: 1922-02-28, -
I think this was added for "Marketing" rather than for function. The thinking may have been someone who saw the same sight on match rifles might ass-u-me that the Thompson was an accurate gun.
The sight in the Forgotten Weapons on the 1921 model was marked Lyman. The closest patent with "Lyman" as inventor was 10 years after, in 1930.
1750676 Gun sight, Charles E Lyman Jr, 1930-03-18, 42/137 - This is probably NOT the correct patent since it's a couple of decades too new.
1433945 Gun mechanism, Theodore H Eickhoff, Auto Ordnance, 1922-10-31, - Thompson Autorifle (Wiki)?
1437889 Fire control for automatic guns, Theodore H Eickhoff, Auto Ordnance, 1922-12-05, -
This is the dual control system (Full or Semi Auto & Fire or Safe) rather than the single control selector switch that's shown on all (?) the other Auto Ordnance patents for the Thompson.
A single part sear is shown in patent
2053489 Automatic firearm, Norman George (UK), Auto Ordnance, 1936-09-08 - Blish block shown but not mentioned.
Patent date far after the BSA Autorifle (Wiki) so what gun used this?
1544566 Cartridge extracting and ejecting mechanism for firearms, Theodore H Eickhoff, Auto Ordnance, 1925-07-07, -
"In the usual form of firearm, in which the extractor and ejector mechanism is controlled by retraction of the bolt in the receiver, as by recoil, the speed of travel of the bolt is so great that the cartridge is thrown a considerable distance from the firearm with an objectionably large force." This was a big problem with the 1923 Thompson Autorifle (Wiki).
1817321 Firearm, Oscar V Payne, Auto Ordnance, 1931-08-04, - This is for the 1921/28 over stamp for the Marines.
"The desirability of slowing down these guns to a reduced rate of fire has long been realized and in peace-time the military authorities have consistently refused to accept guns operating faster than approximately five or six hundred shots a minute."
They claim by increasing the weight of the actuator more speed reduction is obtained than by just increasing the weight of the bolt.
This is the upgrade for the Marines to lower the cyclic rate. Notice:
(12, 13, 14) hammer, firing pin & spring), (18) Blish block, (Fig 3) heavy weight charging handle/actuator
The Iconic American WW2 Thompson: the M1A1 -Blish brass part removed, mass added to bolt, charging handle on side, no provision for drum, used 30 round stick mag,
The M1A1 has the firing pin fixed to the bolt face.
Auto Ordnance holds about 109 patents.
The bottom two bayonets in Fig 1 were made by Ontario
All of them fit the M-16 family of rifles.
OKC 3S (Wiki)
It's possible to make a firearm from scratch, but that's not practical since, in the U.S. you can buy gun parts with no restrictions except the receiver on which gun manufacturers engrave a serial number and other markings that are prescribed by law such as the manufacturer or importers name and the caliber. So you could buy a hunk of metal and machine your own receiver. As a joke 80 percent Arms offers a 0% receiver for $29. Note this is just a block of 6060-T6 aluminum that's 8"x4.5"x1.5" that you could buy from any metal supplier. So that 0% receiver is always going to be available.
Then the question becomes how much machining can be done to raw metal and still have it classified by the ATF as a gun part rather than a receiver? The simple answer is that 80% of the receiver can be machined without the person doing that machining being deemed as a manufacturer which would require them to be licensed and to engrave the appropriate serial number and other markings.
For each model of gun samples need to be submitted to the ATF to get the coveted approval letter that says you have come up with an approved 80% receiver, i.e. you are selling a gun part.
Wiki) was designed by Cody Wilson (Wiki) of Defense Distributors.
Note the 3D pistol was named after the W.W.II FP-45 single shot .45 pistol (Wiki) invented by George Hyde (Wiki) who also invented the M3 "Grease Gun" (Wiki) sub-machine gun.
Ghost Gunner which is a milling machine designed to make lower receivers for:
AR-15, AR-308, AR-9, AR-45, Polymer80, 1911, engraving, Serialization.
It expects to start with an 80% receiver, but I suspect it would not be a stretch to start with a 0% receiver.
T36 Receiver - injection molded, glass filled polymer compatible with most German G36 (Wiki) parts and accessories - ATF FAQ 15Mar2021 -
FGC-9 (Wiki) based on designs by Philip Luty (Wiki) author of Expedient Homemade Firearms (pdf).
Weapons as Political Protest: P.A. Luty's Submachine Gun -P.A. Luty 9 mm sub-machine guns -
ARES: Publications -
Wiki). This was a ground breaking development. The Polymer 80 company makes a number of 80% receivers out of Polymer rather than metal. They have had some legal problems related to the city of Syracuse, NY et al suing BATF because ATF decides what's an 80% receiver on a case by case basis rather than having a rule. Docket: 1:20-cv-06885 SDNY, Case: 1:20-cv-06885
Case: 3:20-mj-00123 Search Warrant: Polymer80 This case is based on the sale and shipment of "Buy Build Shoot Kits". The BATF seems to be saying that the Polymer 80 pistol frame as submitted is not a firearm, i.e. it's a gun part. But when Polymer 80 ships their frame and a kit of gun parts all in one box that collection of parts becomes a firearm. So the BATF position is it would be OK to sell the frame blank, but not to sell it along with other parts which would allow making a functional gun. But what does that mean when someone builds a working gun from an 80% receiver? Is it legal to build a gun from a 0% blank, i.e. raw metal?
Wiki) - Forgotten Weapons: USFA Zip 22: How a Garbage Gun Destroyed A Good Company -
Zip 22: Shooting the Worst Gun Ever -
Because the moving parts are so light they cycle at an extremely fast rate. So fast that the gun can not function.
20150323267 Compact semiautomatic firearm, Douglas F. Donnelly, Usfa/zipfactory LLC, 2015-11-12, -
5D Tactical - AR-15, AR-308, Glock, AR-9
80% Lowers -
Polymer80 - had some legal trouble -nearly all items out of stock
Brownells - 80% lower - -nearly all items out of stock
Precision Reflex - Forged 80% AR-15 lower
2022 July 8: Pictured: ‘Electrically Fired’ DIY Shotgun Used to Assassinate Shinzo Abe - double barrel shotgun pistol. muzzle loading, electrically ignited (18650? cells and toggle switch).
Information on DIY Guns (Wiki: Improvised firearm)Impro Guns: Guns made in garages from around the world - Photos sometimes with link to a news story. A wide assortment of DIY guns.-
Rockets & Grenade Launchers -
Pen Guns - Automatic center punch, flashlight, tire gauge
Cal Guns: California Center fire, Semi-Auto Rifle Identification
State of California v. Polymer80 - Case No.: 21STCV06257 - MEMORANDUM OF POINTS AND AUTHORITIES IN SUPPORT OF DEMURRER OF DEFENDANTS POLYMER80, INC., DAVID BORGES, AND LORAN KELLEY TO COMPLAINT (20-Memo-of-Ps-As-ISO-Demurrer-File-Stamped.pdf) -
Also see the patents related to the M-186 Pocket Flare Gun.
Book on order: Zips, Pipes, And Pens: Arsenal Of Improvised Weapons, J. David Truby, 1993 -
I stumbled on the patent for the "Protector" and so started this paragraph for odd balls. I had a neighbor who collected Muff Pistols (Wiki) , which is a similar firearm.
273644 Revolver, Jacques Edmond Turbiaux, 1883-03-06, - (Wiki: Protector Palm Pistol) (Russian web page, Select English on the home page - mostly about early pistols)
40mm Grenades & Related
AN/M8 Pyrotechnic Flare Pistol & Gyrojet Pen Flare Launcher
Hammerlli M150 Free Pistol
FN FAL ".308 Match" Rifle, AR15/M16/M4 parts table with optical sights, Ballistics info.
Daisy BB Rifle
Survival Kit with M-186 Pocket Pen Gun flare launcher
Ruger SP101 .357 Magnum Revolver
Sonobuoys including Vietnam outdoor intrusion detectors, CRT-1 the first U.S. sonobuoy
Torpedoes including: Naval mines, Depth Charges, Hedgehogs
Ref 1. Zips, Pipes, and Pens: Arsenal of Improvised Weapons, J. David Truby, 1993 -
page 3: 35600 Plow, French & Fancher, 1862-06-17 - combined plow and cannon.Denix - Collector's Armoury - Replica Thompson M1928 w/drum mag. made of metal and wood, not plastic.
page 4: 2169083 Automatic firearm, William L Swartz, Colts Mfg, 1939-08-08, - semi or full auto M1911
PRC68, Alphanumeric Index of Web pages, Contact, Products for Sale
Page Created 15 Oct 2016