Product Description Luth-AR factory replacement Heavy Carbine Buffer Assembly. Fits standard AR-15 rifles. Mfg: Luth-Ar Ar-15 Heavy Carbine Buffer Assembly at Brownells.com Browse all Brownells.com deals $21.99 In Stock at Brownells.com Buy Now at Brownells.com Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Recoil Parts Brand Luth-Ar Luth-Ar