Shop › KYNSHOT BUFFER AR-9 CMP SHRT STROKE KYNSHOT BUFFER AR-9 CMP SHRT STROKE $164.99 KynSHOT RB5020SS Short Stroke Hydraulic Recoil Buffer, Fits AR-9 Style PCC that Uses an A1 or A2 Rifle Length Fixed Stock (Internal Depth 9.5"), Stainless Steel Construction, Silver RB5020SS Add To Cart Added! KynSHOT RB5020SS Short Stroke Hydraulic Recoil Buffer, Fits AR-9 Style PCC that Uses an A1 or A2 Rifle Length Fixed Stock (Internal Depth 9.5"), Stainless Steel Construction, Silver RB5020SS