The AR-15 .458 SOCOM 16" Slim Profile Rifle Kit is designed for those seeking to build a powerful .458 SOCOM big bore AR-15. This complete kit includes everything you need except for the 80% lower receiver, allowing you to customize your build further. All parts are Mil-Spec and Made in the USA, ensuring top-tier quality and performance. Whether you're building a tactical or hunting rifle, this kit offers excellent durability and precision.
Length: 16" for powerful and manageable performance.
Material: 4150 CMV steel with a parkerized finish for enhanced durability.
Chamber: .458 SOCOM for massive stopping power.
Twist Rate: 1 in 14” for optimal stabilization of larger projectiles.
Thread: 5/8x32 for compatibility with most muzzle devices.
Feedramps: Single Feedramps for smooth feeding and cycling.
Gas Block: .936” Steel Low Profile Gas Block, ensuring optimal gas flow and performance.
Gas Tube: Carbine-length stainless steel gas tube for smooth cycling.
Material: Forged M4 Flat Top Upper Receiver with Socom style for rugged durability.
Features: Pre-installed Forward Assist and Ejection Port Cover for reliable function.
Muzzle Device: Triport Muzzle Brake to effectively mitigate recoil and muzzle rise.
Length: 15" Rifle-length Free Float MLOK Rail for customization and accessory mounting.
Material: Aircraft-grade aluminum, ensuring lightweight strength and durability.
Material: 9310 Steel BCG for .450 Bushmaster / .458 SOCOM calibers.
Finish: Nitride coated for durability and corrosion resistance.
Testing: Magnetic Particle Inspected (MPI) for quality assurance.
Material: Made from Aircraft-grade Aluminum, ensuring reliability and strength.
Mil-Spec AR-15 Lower Parts Kit: Includes all components necessary to complete a stripped lower receiver, such as trigger, hammer, disconnector, pins, springs, and more.
Alpha Stock 6-Position Assembly: Equipped with a Mil-Spec buffer tube, 4.8 oz heavy buffer designed specifically for the .458 SOCOM caliber, chrome spring, castle nut, and end plate for secure attachment.
Does not include 80% Lower Receiver or sights and magazines.
The kit is unassembled and fits perfectly with any Mil-Spec AR-15 lower receiver.
Images may not represent the exact product.
This kit is not an FFL item because some machining is still required on 80% Stripped Lower Receiver.
Tags: ar-15, .458, socom, 16 16", slim, profile, rifle, kit, alpha, stock, 12", mlok