+3 BRT 12.5" Hammer Forged Chrome Lined Upper Receiver Group SKU URG-12.5-HFCL $710.00 Out of stock Quantity: 1 Add to Bag Product Details BRT 12.5 HF CL Upper Receiver Group Barrel: BRT OPTIMUM 12.5" HF CL Gas System: EXC Length, Optimized for 12.5" Hand Guard: 11.5", 11.6" or 11.7" M-LOK rail. Upper: Forged from 7075 USGI M4 Upper w/ dry film lube. Upper is test fired before shipping. NFA Rules Apply 100% made is USA. Save this product for later Favorite