piston system

  1. Y

    .300BLK Piston Operated Rifle Build

    I'm having trouble finding any information on a .300BLK 10"ish barrel with a Carbine length Piston gas system. I figure this is mostly because .300BLK doesn't have the pressure to operate in that fashion. But I'm still curious if I can run that system, yes, I'm going to use subsonic and yes, I'm...
  2. grassy knoll

    SOLD New LMT MRP Shovelnose 12” Upper

    New and unused LMT MRP Shovelnose 12” 5.56 upper. Comes complete with barrel and bolt carrier group. Charging handle not included. $1425 shipped.
  3. S

    Piston system on 300blk pistol

    I'm trying to build my home defense gun to be a 300 blackout short barrel preferably 8.5-10in that can fit on a milspec lower with a folding brace and i will be suppressing at some point. I was originally going to go with the jakl platform from psa but I've seen a lot of different reviews some...
  4. GRIFFIN_ARMAMENT

    Suppressors Introducing the EZ-LOK™ System!

    Griffin Armament is proud to present you with the latest QD piston system, EZ-LOK™! We've put together a comparison video for you that goes over the Griffin CAM-LOK® system vs the new EZ-LOK™ system vs tradition piston attachment systems. The Griffin Armament EZ-LOK™ is our new...
  5. piston system.jpg

    piston system.jpg

    Piston system. HK MR223 without the hand guard, showing what is inside of it. The system consists of black rod, that returns to battery with a spring and the piston, shown in another picture. The handguard attaches with a screw and around 7Nm of torque.