The KynSHOT RB5005 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using an AR-10 length/A5 buffer tube (internal depth 7.75"). The RB5005 can be paired with any style AR-10 buffer spring, and is a simple drop-in replacement for all buffer systems on the market.

• Drop-in Replacement for Any Buffer System.
• Reduces Felt Recoil by 30%.
• Improves Firearm Reliability.
• Designed for 762/308 AR10's with an AR10 Length Collapsible Stock Buffer Tube Which is 7 3/4" Long on the Inside.