Home / Parts / MSR Parts - UR / Bolt Carrier Group / Fail Zero – FZ EXO BOLT ASSEMBLY View cart “Black Rain Ordnance – BLACK RAIN 223 BOLT CARRIER GRP LEFT” has been added to your cart. Fail Zero – FZ EXO BOLT ASSEMBLY$7857 FZ EXO BOLT ASSEMBLY Out of stock SKU: FZEXO-BOLTASSEMBLY01 Category: Bolt Carrier Group Product ID: 16067 Description Additional information Description FailZero Bolt Bolt Assembly EXO-BOLTASSEMBLY01 Nickel Additional information Weight 2 oz Dimensions 0.5 × 3 × 0.5 in Related products Angstadt Arms – ANGSTADT AR15 BCG 9MM BLK $17135 Out of stock Doublestar Corp. – DBST BCG WITH O RING $10603 Out of stock Colt’s Manufacturing – COLT 5.56 BOLT CARRIER GROUP $18895