Boss Barrels .300 BLK 10.5" 416R 5R Barrel

In stock
as of 12/11/2023 4:19PM CST
Store Inventory
Available OnlineMore than 5
Fountain Valley, CAOut of stock
The Colony, TXMore than 5
SKU: BOSS-300-105

All NFA rules apply.

Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

Boss Barrels utilize a proprietary composite reinforced wrap on a 416R stainless steel barrel. This process allows for a lightweight, stronger, stiffer and heat transfer properties.

These barrels are ideal for use at the range, field and the compact barrel allows for a highly maneuverable weapon.

Compatible with AR-15 Upper receivers.

Caliber .300 AAC BlackOut
Barrel Length 10.5"
Twist 1:7"
Rifling 5R
Gas System Pistol Length
Muzzle 5/8x24 threaded
Material 416R Stainless Steel, Composite Wrap

All NFA rules apply.

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