Tag: PDS

Rock River Arms LAR-PDS SBR

Posted January 22, 2016 in Guns & Gear, NFA / Suppressors / Class III, SHOT Show by TFB Staffer with 30 Comments

The Rock River Arms PDS – Piston Driven System – may not be new, but this SBR certainly is. At the Rock River Arms booth at SHOT Show this year they showcased a few guns so new they had little information available beyond the caliber and length of barrel. [Read More…]

Rock River Arms PDS Carbine

Posted September 6, 2010 in AR-15, Rifles by Steve Johnson with 37 Comments

I recently blogged about RAA’s PDS pistol. This is the carbine version of the pistol. The Piston Driven System Carbine utilizes a propriety bolt carrier that actuated by a piston. The return spring is located above the barrel, much like the Para Ordnance TTR [Read More…]