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  1. AR Buffer questions

    I have a condition that I have to modify everything I own lol. I’ll probably give them a call today and see what they say.
  2. AR Buffer questions

    Picked up a Ruger SFAR today and wondered if anyone had any insight on the buffer spring it uses. Top spring in pic is out of another 556 AR and bottom is out of the SFAR. Pics with receivers will show the tube is a little longer on the SFAR with total length of a hair above a standard ar15 tube...
  3. HK416C destroying gas rings after a single shot... what's my best option to get a reliability change?

    ya know I probably should have done that before I took it all apart and pulled the old rings off... Anything specific you'd be looking for diagnosis wise? Basically the gas rings get smashed against the gas block when the piston moves back and the op rod is locked back so bolt cant go home all...
  4. HK416C destroying gas rings after a single shot... what's my best option to get a reliability change?

    current barrel is the 9" (probably discontinued for this reason). normally never go below 10.3 but the trade was too good to pass up for a full upper. Have the longer piston but not sure if a 10.3 barrel uses that and longer op rod or not. Ideally I'd like to keep current barrel since still in...
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