AT3 Barrel Builder Kit - 7.5″ .300 Blackout Medium Profile Pistol Length Barrel, Gas Block & Gas Tube

5 Inch .300 Blackout Barrel, Gas Block, and Gas Tube

Features

• Includes the barrel and gas system parts for a 7.5 inch .300 Blackout AR-15 upper build
• 5 inch .300 Blackout medium profile barrel with a pistol-length gas system
• Includes a low-profile .750 steel gas block and pistol-length stainless gas tube
• Includes two gas tube roll pins for installation or backup
• Leaves the bolt carrier group choice up to the builder

300 Blackout AR-15 upper build. It pairs a 7.5 inch medium profile barrel with a pistol-length gas system, low-profile gas block, stainless pistol gas tube, and two gas tube roll pins while leaving the BCG choice open for builders who prefer a specific carrier group.

Note: This kit is not assembled. Bolt carrier group, upper receiver, handguard, charging handle, muzzle device, and small installation tools are not included.

Specifications

• Model: Barrel Builder Kit – 7.5 Inch .300 Blackout Pistol-Length
• Platform: AR-15
• Caliber: .300 Blackout
• Barrel Length: 7.5 inches
• Barrel Profile: Medium
• Gas System Length: Pistol
• Gas Block Journal: .750 inch

What’s Included

• 300 Blackout Medium Profile 7.5 Inch AR-15 Barrel
• 750