MPN: DB-556-LM-DLC / DB-556-LM-CRN

Features:

• Made for less reciprocating mass contributing to a less felt recoil
• Compatible with Mil-Spec receivers
• MPI and HPT tested
• Made in the U.S.A.

Specifications:

• Caliber: 5.56 NATO / .223 Rem. / 300BLK
• Weight: 7.83 oz.
• Finish: Nitrided (CrN or Black DLC)
• Profile: Low Mass
• Material:
• Bolt Carrier: 8620 Case-Hardening Steel
• Bolt:Carpenter 158 Steel

**Tuning may be required to make the gun properly run with this low mass BCG.

Compatibility:

• AR-15

Includes:

• 1x F-1 Firearms DuraBolt Low Mass AR-15 Bolt Carrier
• 1x Bolt Assembly
• 1x Extractor
• 1x Cam Pin
• 1x Carrier Gas Key
• 1x Firing Pin
• 1x Firing Pin Retaining Pin

Details: