AR-15 .458 SOCOM 10.5" Faxon Gunner Upper Build / 10" Slim Mlok / Magnum Comp

AR-15 .458 SOCOM 10.5" Faxon Gunner Upper Build / 10" Slim Mlok / Magnum Comp

AR-15 .458 SOCOM 10.5" Faxon Gunner Upper Build / 10" Slim Mlok / Magnum Comp. CA and NY compliant. This upper assembly features:

Action: Semi-auto

Gas System: Pistol Length Gas System

Chamber: .458 Socom

Twist Rate: 1/14

Muzzle Device: Thread 11/16x24 Magnum Linear Comp 3.25"

Barrel Features:

Manufacturer: Faxon Firearms

• Barrel Material: 4150 CMV
• Barrel Type: Button Rifled
• Barrel Caliber: 458 Socom
• Barrel Twist: 1:14
• Barrel Length: 10.5"
• Barrel Profile: Gunner Big Bore
• Barrel Gas System: Pistol
• Inside Finish: Nitride
• Outside Finish: Nitride
• Muzzle Thread: 11/16x24
• Gas Block Diameter: .875
• Gas Block Journal Length: 1.1"
• Weight: 1.50 lbs.
• Magnetic Particle Inspected
• 11-degree Target Crown

Handguard: 10" Mlok Super Slim Free Float Rail

.458 SOCOM Upper Receiver, Complete

Does not come with BCG and CH. Can be purchased separately as add on option on top of page.  Images may not be an exact representation of the product.  Made in the USA

Compatible with Big Bore Mil Spec AR-15 Lower Receivers adjusted with 4.3 oz buffer for proper cycling.