Quick view Ergo Grip Ergo Castle Nut For Ar15 Blk $6.00 ERGO brings this receiver extension castle nut for M4 style receiver extension tubes.Features :Standard Mil-Spec CAR castle nutMade from steel and coated black Compare Add to Cart
Quick view TacFire Tacfire Castle Nut, Tacfire Mar039 Ar15 Milspec Castle Nut $3.47 Tacfire official ar15 castle locking nut for.223/5.56 rifle carbine stock used to tighten buffer tube to receiver.Material: Steel Compare Add to Cart
Quick view Luth-AR Luth Ar Carbine Lock Ring/castle Nut $4.75 High quality components and precise manufacturing make LuthAR parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise... Compare Add to Cart
Quick view Fortis Manufacturing, Inc. Fortis Standard Castle Nut $16.95 The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If youre trying to save ounces, this is a great way, but without sacrificing durability... Compare Add to Cart
Quick view CMMG Cmmg Nut Receiver Extension Mk4 $7.19 High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise... Compare Add to Cart
Quick view Advanced Technology Adv Tech Ar15 Castle Nut $6.37 High quality components and precise manufacturing make Advance Tech parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise... Compare Add to Cart
Quick view LBE Unlimited Lbe Ar Castle Nut $5.43 The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA.Features :Fits AR-15Castle NutMade in the USA Compare Add to Cart
Quick view LBE Unlimited Lbe Unlimited Castle Nut, Lbe Arcnut Ar Castle Nut $6.84 The castle nut is constructed of 4140 steel with a phosphate coating.It is compatible with your ar-15.Finish: Black PhosphateModel: Castle NutMaterial: 4140 Steel Compare Add to Cart
Quick view Advanced Technology Advanced Technology Ar-15, Adv A5101020 Ar15 Castle Nut $8.05 This steel ar-15 castle nut is virtually indestructible and works with commercial, military, and hybrid buffer tubes.It fits most ar-15s and ar variants, but it is not compatible with 308 rifles.Finish: BlackType: Castle NutModel: AR-15Size:... Compare Add to Cart
