HomeAR PartsTimber Creek OutdoorsTCO Lower PartsTCO Castle Nut TCO Castle Nut $6.39 Purchase this product now and earn 6 Headshots! TCO Castle Nut quantity Add to Gun Case Compare Add to Wishlist SKU: TC CN Categories: AR Parts, TCO Lower Parts, Timber Creek Outdoors Tag: Castle Nut Brand: Timber Creek OutdoorsProduct ID: 8407 Download Catalog Description Additional information Product Enquiry Description ****Weapon parts are not eligible for international shipping**** TCO Steel Castle Nut is a Mil-Spec castle nut for use with AR-15 carbine receiver extensions. Proudly made in the U.S.A. Additional information Weight 1 lbs Dimensions 4 × 3 × 2 in Product Enquiry Name Email address Enquiry Related products Out of stock Build kits, Carbon FiberTimber Creek Carbon Fiber AR Build Kit $800.00 Quick ViewSelect options This product has multiple variants. The options may be chosen on the product page Compare Compare Muzzle DeviceThread Protector $12.79 Quick ViewSelect options This product has multiple variants. The options may be chosen on the product page Compare Compare Build kitsTimber Creek Outdoors AR Enforcer Kit (White) $599.99 Quick ViewAdd to Gun Case Compare Compare Trigger GuardAR Oversized Trigger Gruard $19.19 Quick ViewAdd to cart This product has multiple variants. The options may be chosen on the product page Compare Compare