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The Dardick tround, or simply tround (triangular round), is a unique firearms cartridge developed by inventor David Dardick for use in his open-chamber firearms. Named for its convex triangular shape, the tround allowed the firearm's chamber to be open on one side, removing the requirement for reciprocating motion when chambering and ejecting a ...
Primarily printed firearm: Pistol: Single shot FDM [8] Defense Distributed [9] Roofing nail .380 ACP: A single shot .380 ACP pistol. [4] [6] [7] Fully 3D printed including springs, requiring only a roofing nail; Notable as the first publicly released printed firearm design; Grizzly, [5] [10] Grizzly 2.0, [11] G22 v3 [12]
The design of the Urutau is inspired by previously published 3D-printable firearm designs, the Shuty AP-9 pistol by Derwood, the FGC-9 by JStark1809, and the Partisan 9 by ImmortalRevolt [6] [7] [8] [9].While most of the underlying mechanics of The Urutau are comparable to the FGC-9, all parts were significantly redesigned. Compared to these ...
The Claridge pistols and carbine rifles were based on this design. In 1990, Claridge Hi-Tec, Inc. was created by Joe and Gail Claridge who incorporated Claridge Hi-Tec, Inc. in Northridge, CA. Claridge used this design to produce pistol models S, L, T, ZL-9 and ZT-9, and carbine rifle models C, LEC-9 and ZLEC-9. However, the property rights of ...
The Liberator is a 3D-printable single-shot handgun, the first such printable firearm design made widely available online. [2] [3] [4] The open source firm Defense Distributed designed the gun and released the plans on the Internet on May 6, 2013.
The Protector Palm Pistol is a small revolver designed to be concealed in the palm of the hand. It was unique in that the revolver was clasped in a fist with the barrel protruding between two fingers and the entire handgun was squeezed in order to fire a round.
The Gyrojet is a family of unique firearms developed in the 1960s named for the method of gyroscopically stabilizing its projectiles. Rather than inert bullets, Gyrojets fire small rockets called Microjets which have little recoil and do not require a heavy barrel or chamber to resist the pressure of the combustion gases. Velocity on leaving ...
These firearms use an unusual 50- or 100-round helical magazine that allow for a large number of rounds in a relatively compact and convenient package. The spent cartridges are discharged in an unusual fashion as well: downward, ahead of the trigger guard. This makes it relatively easy to fit an effective device to catch the cartridge cases ...