Tag Archives: gas piston

Colt Advanced Hybrid Carbine (AHC): Gas-Impingement/Gas Piston/Op-Rod Hybrid Weapon

By David Crane defrev at gmail dot com October 16, 2008 In our article on the Colt Sub-Compact Weapon a.k.a. Colt SCW, DefenseReview discussed the upgraded direct-gas-impingement (DGI)/gas piston/op-rod Hybrid Operating System that’s available as an option for it. Well, the Colt Advanced Hybrid Carbine a.k.a. Colt AHC select-fire carbine (5.56x45mm NATO (5.56mm NATO)/.223 Rem.) utilizes a dedicated hybrid DGI/piston …

Read More »

SRSS BullDog762 Bullpup M14/M1A Battle Rifle (7.62mm NATO/.308 Win.) Range Session

By David Crane defrev at gmail dot com September 22, 2008 All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as “shock + waterproof”. On August 30th, 2008, …

Read More »

Adams Arms Retrofit Gas Piston System (RGPS) for Tactical AR-15 Carbines

By David Crane defrev at gmail dot com September 19, 2008 Adams Arms, Inc. is offering an "AR15 Fix" a.k.a. "Retrofit Gas Piston System (RGPS)" (Patent Pending) that will all you to easily convert your direct-gas-impingement (DGI) tactical AR carbine (tactical AR-15 carbine) into a short-stroke gas piston/op-rod system in about ten (10) minutes. The RGPS, described by the company …

Read More »

Para Tactical Target Rifle (PTTR): Clean-Running Tactical AR-15 Carbine?

By David Crane defrev at gmail dot com September 19, 2008 Para USA (formerly Para Ordnance) is marketing what appears to be an updated (or just rebranded) version of Al Zitta’s Z-M Weapons LR300 AXLT carbine called the Para Tactical Target Rifle (PTTR). The PTTR operates via a modified direct-gas-impingement (DGI) system, which the company calls "Delayed Impinged Gas System …

Read More »

FERFRANS SOAR-P Gas Piston/Op-Rod Tactical AR-15 Carbines and SBR/Subcarbines for Special Operations

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". September 14, 2008 DefenseReview recently got the …

Read More »

6.8x45mm Kramer Urban Combat Cartridge (UCC) for Urban Warfare Ops

By David Crane defrev at gmail dot com DefenseReview has covered the 6.8 SPC (a.k.a. 6.8 Remington SPC a.k.a. 6.8x43mm SPC a.k.a. 6.8mm Remington SPC a.k.a. 6.8mm SPC) round for quite some time now. We’re a proponent of the cartridge, due to its superior efficacy over 5.56x45mm NATO (5.56mm NATO)/.223 Rem. within its (6.8 SPC) operational envelope of 400-500 yards, …

Read More »