Home / NFA Accessories / KNIGHT’S ARMAMENT PISTON ASSY, MK23, M16X1 RH TPI “SILENCERCO THREADED RIFLE SPACER 1/2X28” has been added to your cart. View cart Out of stock KNIGHT’S ARMAMENT PISTON ASSY, MK23, M16X1 RH TPI$619.20 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 819064016229 SKU: 94367 Category: NFA Accessories Tag: KAC Product ID: 41580 Description Description KNIGHT’S ARMAMENT PISTON ASSY, MK23, M16X1 RH TPI You may also like… Sale! Magpul Suppressor Cover – 5.5″ – Black $94.95 Original price was: $94.95.$66.18Current price is: $66.18. Add to cart Related products Out of stock Advanced Armament Corp Fixed Barrel Spacer Ti-Rant 9, EVO, ECO $25.00 Read more SILENCERCO DELTA THREAD PROTECTOR 1/2X28 $16.15 Add to cart Out of stock SilencerCo Fixed Barrel Spacer AC22 $50.15 Read more Dead Air Fixed Barrel Spacer DA409 $39.00 Add to cart