CMMG 55BA419 Bolt Carrier Group 5.56x45mm NATO Black Steel M16

Description The CMMG 55DA3AC Low-Profile Gas Block is a stellar accessory designed for those who wish to replace their A2 sight or add a free float rail system to their AR. Material and Design Crafted from 4140 Chrome Moly Steel, this low-profile gas block is exceptionally durable and wear-resistant. Its low-profile design ensures it integrates seamlessly with your firearm setup. Installation Setting up the CMMG 55DA3AC Low-Profile Gas Block is easy and straightforward, thanks to the included installation screws. Compatibility This low-profile gas block is compatible with .625″ diameter barrels. Product Comes With: CMMG 55DA3AC Low-Profile Gas Block made from 4140 Chrome Moly Steel Installation screws