Shop › ARMASPEC SRS BUFFER KIT AR10 GEN 4 ARMASPEC SRS BUFFER KIT AR10 GEN 4 $108.89 Armaspec SRS Buffer Kit Gen 4, Silent Recoil Spring, Fits AR-10, Black ARM263-AR10 Quantity: Add To Cart Added! Armaspec SRS Buffer Kit Gen 4, Silent Recoil Spring, Fits AR-10, Black ARM263-AR10