• Never publicly released
• Horizontal 20 round detachable magazine

• A single shot .380 ACP pistol.^[1][9][10]
• Fully 3D printed including springs, requiring only a roofing nail
• Notable as the first publicly released printed firearm design

• It can hold 5 .22 caliber cartridges.^[15][16]
• Unlike the many early 3D-printed firearm designs, which were overbuilt in order to withstand the pressures and strain on the material from modern gunpowder cartridges, the Reprringer is small and only slightly larger than an equivalent gun made from steel.^[15]

• The gun is made up of 34 3D-printed components.^[4]
• Notable as the first fully metal 3D-printed firearm.

• Named after the German Mauser Zig-Zag revolver.
• Holds six cartridges and can fire .38 caliber bullets.^[17]

• A double-action revolver^[21] that holds six cartridges.^[22]
• While primarily made of plastic, it includes a steel barrel liner and chamber sleeves^[21] to increase tensile strength.^[23]

• Created roughly after a year the first known metal 3D printed gun was produced.^[24]
• Has the word "Reason" etched on it, along with an excerpt from the Declaration of Independence on the barrel.^[25]

• May 2015
• January 2016 Shuty MP-1

• Features a removable, printed barrel.
• Hammer is powered by rubber bands or condoms.^[27]

• First 3D printed railgun structure.
• Closed source - designs and code released to research institutions only.
• Employed a mixture of traditional and additive manufacturing. Rails were traditionally machined, as well as the fasteners and electronics.

• Uses a plastic frame, slide, and fire control components with a steel barrel liner, breechblock, firing pin, and spring.
• First in line of "PG22" single shot pistols and revolvers.
• Individually designed, rather than built off of open-source plans.

• First commercial handheld coilgun.^[33]

• Striker-fired, single action revolver with a manually rotated cylinder.
• Updated version (dubbed the Maverick V2) automatically advances the cylinder on cocking.
• Mostly-printed hybrid design using steel barrel liners in each chamber, a steel ball bearing to index the cylinder, a steel firing pin, and various metal screws and springs.

• Based on Shuty AP-9.
• No parts kit required: barrel can be rifled via Electrochemical machining (ECM).
• Version two, labeled MKII, features an updated design with an H&K MP5 style charging handle.
• The MKII was released to work with a string of smaller releases, including an improved barrel making process and V2 Menendez Mag. Includes the "ButWhatAboutAmmo" tutorial for fabricating ammunition.

• Uses steel pipe for a barrel and rectangular steel tubing for the frame.
• Uses 3D printed parts to form receiver, fire control components, and fittings to join parts.
• 3D printed jigs provide guide for cutting and drilling metallic components.

• A printable launcher based on the M79 grenade launcher used in the Vietnam war.
• Classified as a "signaling device" instead of a Destructive Device under the NFA.

• An updated version of the PM422 Songbird capable of firing most center-fire handgun cartridges.

• An mostly printed AR-15 based platform capable of supporting a wide range of calibers and customization.
• V2.0 is capable of supporting rifle calibers.

• Requires Glock 17 barrel, AR-15 fire control group and custom bolt

• A most printed .22 LR pistol. Uses a DIY metal barrel, firing pin, and spring.
• Simple and extremely cheap, designed to cost $5-$8. Commonly created to be sold at gun buybacks for profit.^[39]
• A large number of remixes and variants of this design have been created.

• Uses a 850 psi air tank to fire 1/4" ball bearings at up to 600 m/s. Fully automatic, with a maximum fire rate of 2400 rpm.

• A mostly printed, fully DIY .22 LR caliber pistol or rifle. Requires only a barrel, springs, and an AR-15 lower parts kit.
• Uses a printed bolt with lead weights.

• A mostly printed, DIY bolt action .22 LR pistol. Inspired by the British Welrod Mk1.
• Includes an option for integral suppression.

July 2023 (v5.3.D)

• A mostly 3D-printed semiautomatic AR-15. Both the upper and lower are printed, requiring only a barrel, bolt carrier group, and an AR-15 lower parts kit.^[40]
• Multiple design features including ceramic insulation, hose clamps, and 3D-printed clips are used to allow the replacement of many of the metal parts on a conventional AR-15 pattern rifle.

• A fully DIY belt fed, roller delayed, 9mm carbine.

• Requires custom parts kit including a custom CNC machined bolt.^[41]
• Features last-round bolt hold open.
• A newer iteration of the King Cobra 9.

• A DIY firearm based on the FN P90. Utilizes a custom barrel, cast Cerrosafe bolt, and metal components.

• A Harlot-based signaling pistol using custom DIY 15mm ammunition. Uses a 209 primer as a lift charge, and supports a large number of different projectiles.

• The receiver was able to handle enough stress to fire more than 600 rounds.^[43]

• Charon V3 weighs 0.2 pounds and showed no signs of strain after 96 rounds of 5.56 AR-15 ammo were fired.^[48]

• According to the creators, "It requires a bufferless upper to function, such as the ARAK-21 or Rock River Arms PDS Carbine, or a regular upper with a CMMG Style .22 LR Conversion installed."^[49]

• Based on Colt CM901.

January 2021

• Printable frames for the Glock 19, 19X, 17, 20, 21.
• Uses Gen 3 Glock compatible parts and a set of pinned in place metal rails.
• Lifetime of thousands of rounds when printed in PLA+.

• Compatible with Hi-Point C9, CF380, JCP, and JHP parts.
• Extremely cheap due to the high availability of the required parts kits.

July 2022 (v3)

• Fired over 2,500 rounds when printed in eSun PLA+.
• Compatible with AKM, AK100, and RPK parts kits.

• Features a metal u-bolt to reinforce the lower and prevent the buffer tower from cracking, making it very durable.
• Advertised to last thousands of rounds when printed in PLA+.

July 2022

• A variety of Gen 3 and Gen 5 Glock frames for the G17, G19, G21, G26, G26X, G34, G43X, G48, and G45.^[55]
• Based on the Glock 34 found on FOSSCAD. Uses stamped steel rail inserts.

• First 3D printed frame to be successfully tested with 1000+ rounds full auto in one sitting without failure.^[57][58]

February 2022 (v2)

April 2022 (v2)

• A 3D printable based on a Mac-11 upper. It uses an AR-15 fire control group, accepts Glock magazines, and features a foldable stock.
• Claimed to have been tested over 5,000 rounds without failure.

• A printable receiver for CETME C, G3, and PTR91 parts kits.

• Utilizes a 1911 slide for the upper, and an AR-15 fire control group.
• An updated version, called the 3011DS, allows the use of double-stack higher capacity Remington and RIA magazines.

December 2021 (v2)

• A personal defense weapon based on the FMDA DD17.2 frame.
• Features a collapsible stock and a second magazine in the angled fore grip.

December 2023 (v4.8.A)

.223/ 5.56x45mm, .308/ 7.62x51mm

• An extremely durably AR-15 pattern lower. Includes AR9 and LR-308 variants.
• Features a hose clamp around the buffer tower, preventing cracking and resulting in a very strong design.

• A printable frame for Tac-9 parts kits. Uses an AR-15 fire control group.

• Mostly printed pump-action AR-15 pattern rifles. The bolt carrier and upper are printed, only requiring a barrel, gas system, bolt, and lower parts kit.

• A 3D-printable MP5. Compatible with MP5, MP5k, MP5RS, and MP5SD parts kits. Uses an AR-15 fire control group.
• An updated design called the SF5 removes the bolt flanges on the side of the original design.

• A 3D-printable frame for the Avidity Arms PD10.
• This design is notable as the first firearm released by commercial company designed to be 3D printed.^[66]

• The magazine holds 30 rounds.^[69][71][72]
• The initial prototype was created using an Objet Connex26 using VeroClear printing material (a transparent material) in order to show the magazine's round count and feeding action.^[73]
• It was able to handle enough stress to fire 342 rounds and can fire 227+ rounds in quick succession.^[72]

• A 30-round AK-47 magazine.^[68]

• During testing, the bullet penetrated a 2×12 piece of pine wood, creating a hole in a wire reel.^[77]

• Designed to tame the recoil and muzzle rise of an AR-15 semi automatic rifle chambered in 5.56×45mm NATO (.223).^[79]
• It fired 7900 rounds during testing on semi-auto.^[80] During a test on full auto, 10 magazines of 62 grain green tip 5.56 rounds were fired without any issues.^[80]
• US Special Operation Command's (USSOCOM) Science and Technology Directorate invited Neal (the owner of Sintercore) to demonstrate the 3DX muzzle brake for possible use by its elite troops. They tested it on August 5, 2014.^[80]

• "The idea was to create a muzzle brake with no equal; one that turns the recoil of an AR-15 into a slight push with zero muzzle rise."^[81]
• Produced for 5.56x45mm (.223 Rem) or .224 Valkyrie^[82] rifles with 1/2x28 threads.^[81]

• An additively manufactured titanium weapon suppressor. It is 50% lighter than some conventional steel suppressors.^[87]
• Oceania Defense has made three variations of the 5.56mm/.223 suppressor so far: the 556-45 Samson (an AR-15 suppressor designed to operate on semi auto Short-barreled rifle to 12.5" barrels), 556-SBR (designed for hard use on 10.5" barrel for AR-15 firearms in 5.56mm/.223 ammunition) and 556-45 Suppressor (direct thread on suppressor which overlaps the barrel designed to reduce a baffle strike)^[85]

• An additively manufactured titanium weapon suppressor.
• 50% lighter than some conventional steel suppressors.^[87]
• Oceania Defence made 3 variations of the 7.62mm rifle suppressor. the 300 BLK Long (designed for use with the 300 AAC Blackout cartridge in both subsonic and supersonic. It fits under the rail of a Samson or similar rail system on the AR-15-type rifle, but can to perform acceptably on bolt action 7.62×51mm/.308 rifles as well), 762-AR10 Suppressor (designed for the AR-10/LAR-8 7.62mm/.308 rifle but will also work with any bolt-action rifle in .30 caliber or less) and 762-G3 Suppressor (designed for the Heckler & Koch G3 and fits the HK91 series of 7.62mm/.308 rifles, as well as the HK33 and HK93 series of 5.56×45mm rifles).^[90]

• Long version is designed to operate on 9×19mm Parabellum carbines firing fully automatic.^[91]
  • It fits under the rail of a Samson or similar rail system on the AR-15-type rifle.^[91]
  • This is a sealed can and is only suitable for use with jacketed bullets.^[91]
• Pistol version is designed with a Neilsen which allows it to be used with most of the common John Browning tilting-barrel designs, including the swinging-linked M1911 and the cam-lock system operated Glock pistols. The Neilsen is an assembly in the aft end of the suppressor that allows the gasses to push the suppressor forward while allowing the unimpeded rearward movement of the barrel and slide assembly using a stainless steel spring and titanium piston.^[92]
  • It is able to function well with a wide range of ammo, although its sound reduction performs best with subsonic bullets heavier than 124 grains, with 147 or 158 grain bullets being the quietest.^[92]
  • It is designed to be run wet or dry, averaging 127.7–128.4 dBA with 147 grain or 127.6–134.2 dBA with 124 grain when dry and 123.1 dBA with 147 grain or 129.1 dBA with 124 grain when wet.^[92]
• It is an additively manufactured titanium weapon suppressor. It is 50% lighter than some conventional steel suppressors^[87]

• A 75-round drum magazine for .223 Remington/5.56 NATO AR-15 rifles.

• 75-round drum magazine for 7.62×39mm AK-pattern rifles (e.g. AK-47, AK-102, AK-104 and compatible variants).^[93][94]

March 2021 (v2)

• Dry fire testing of the v2 design suggested a lifetime of over 1000 rounds.