Items Available For Purchase Today Object reference not set to an instance of an object. See All Mega Arms .300 Blackout Barrel – 10.5” For Sale from: Discount Tactical Supply ( FFL) | Positive feedback: 97% View | Verified Seller | 976 Completed Sales View Sellers Items Mega Arms .300 Blackout Barrel – 10.5” For Sale from: Discount Tactical Supply | Positive feedback: 97% View | Verified Seller | 976 Completed Sales View Sellers Items Discount Tactical Supply Seller Since: Mar. 2014 Identity Verified ( Spring Branch, TX ) Trusted Seller This seller is an FFL City: Spring Branch State: TX SOLD - $210.00 Shipping: $15.00 (or FREE in-store pick up!) Accepted Payment Methods: Returns: No Returns This Seller Accepts Instant Online Payments Description: • Manufactured under the strict supervision of Mega Arms • Chambered in .300 Blackout • Machined with a Medium Contour profile • 1x8 twist for accurate overall performance • Made from 416 Stainless Steel • Black Nitride coating • 1×8 twist for accurate overall performance • 5/8-24 threaded muzzle • .750 diameter gas block seat • M4 feed ramps on extension • 11° target crown • Uses standard AR-15 Pistol-Length Gas system Condition: New In Box Brand: Mega Arms Model: MA-300-10.5 Item #: 910222443 Stock No.: MA-300-10.5 Location: TX Trades Accepted: Yes Share: Shipping Notes: See Description Items You've Viewed Recently Mega Arms .300 Blackout Barrel – 10.5” $210.00 SELLER: Discount Tactical Supply (FFL Dealer) Add To Cart