“MIDWEST 5.56/AR15 BLACK NITRIDE BCG” has been added to your cart. View cart HomeGun PartsAR Upper PartsAR Bolt Carrier GroupsLANTAC 556 ENHANCED BCG TINLANTAC 556 ENHANCED BCG TIN$305.99 LANTAC 556 ENHANCED BCG TIN Out of stock SKU: RSR|LAN01UP556TINEBCG Category: AR Bolt Carrier Groups Product ID: 74896 Description M16 Style for increased mass and lock time. This BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. Related products Add to WishlistRemove from Wishlist Add to Wishlist CMMG 22LR AR CONV KIT 10RD BRAVO $161.58 Buy now Add to WishlistRemove from Wishlist Add to Wishlist MIDWEST 5.56/AR15 BLACK NITRIDE BCG $157.95 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist FZ AR15 BCG NO HAMMER BLK $148.54 Read more