+3 BRT 16" PRO Upper Receiver Group SKU URG-16-PRO $565.00 In stock Quantity: 1 Add to Bag Product Details BRT 16" PRO Upper Receiver Group Barrel: BRT 16" PRO 556 Gas System: MID Length Hand Guard: 12", 13" or 13.7" MLOK rail. Upper: Forged from 7075 USGI M4 Upper w/ dry film lube. Upper is test fired before shipping. 100% made is USA. Save this product for later Favorite