“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 86 in stock LANTAC 556 ENHANCED BCG TIN quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist 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 BCG AR15 6.5GRN/6MM ARC $180.31 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist LANTAC CP-R360 CAM PIN $27.99 Read more Add to WishlistRemove from Wishlist Add to Wishlist FAXON 5.56 M16 BCG CHAMELEON $183.08 Buy now