Home / Accessory-Parts / Tapco TAPCO CASTLE NUT View cart “Heritage Manufacturing CYLINDER 22WMR 6-SHOT 10-PACK” has been added to your cart. Tapco TAPCO CASTLE NUT$999 Out of stock SKU: TAP22060 Category: Accessory-Parts Product ID: 129978 Description Description For AR Platform Related products Christensen Arms THREAD PROTECTOR 5/8-24 SS $2999 Wilson Combat GRIP MOD WCP365 XL TAN $6695 Sale! Christensen Arms DBM BOTTOM METAL LA HUNTER $26999 Original price was: $26999.$23825Current price is: $23825. ProMag PROMAG VERTICAL FORE GRIP BLK $1699