Open Box Return- AT3 AR-15 Bolt Carrier Group- 6.5 Grendel Type II – Black Nitride
OPEN BOX RETURN
Returned items may be scuffed or scratched, packaging may be damaged. Guaranteed fully functional!
Complete your hard-hitting 6.5 Grendel upper with a Black Nitride Bolt Carrier Group
Our new 6.5 Grendel Bolt Carrier Group features a black salt bath nitride finish, MPI inspected bolt, properly staked grade 8 gas key screws, and a lifetime warranty.
The black nitride finish features excellent hardness and lubricity, which means this BCG is durable, easy to clean, and less reliant on lubrication when compared to mil-spec phosphate coating
The bolt carrier group is the workhorse of your rifle, and a quality BCG is critical to reliable rifle function. Get a bolt carrier group that is guaranteed to last a lifetime.
Made in the USA
- Caliber: 6.5 Grendel Type II
- Finish type: Black Salt Bath Nitride
- Carrier Type: M16 Auto (Ideal for AR-15)
- Carrier Material: 8620 Gun Steel
- Gas Key Material: 4130 Steel
- Gas Key Screws: Grade 8
- Bolt Material: MPI tested 9310 Steel, Shot Peened
- Extractor Material: 4140 Steel
- Cam Pin Material: 8620 Steel
- Firing Pin Material: 4140 Steel, Chrome Plated
- Mil-Spec O-Ring and Gas Rings