Toolcraft 458 SOCOM Bolt Carrier Group


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Availability: In stock

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Toolcraft 458 SOCOM Bolt Carrier Group

Lifetime Warranty & Made in the U.S.A

Please Note: Some dealers utilize a third party coating service to keep their costs down. If purchasing a Toolcraft bolt carrier group from one of these dealers, Toolcraft will void the coating warranty. All Toolcraft Bolt Carrier Groups sold by Arm or Ally are manufactured and plated / coated by Toolcraft and include a 100% no-questions-asked warranty.

Toolcraft 458 SOCOM Bolt Carrier Group is a Full Auto BCG, manufactured using a 9310 steel bolt, and a 8620 steel carrier. Together they make up one of the most popular, and well built bolt carrier groups on the market. What’s more, Arm or Ally is proud to add Toolcraft products to our already fantastic line up of reputable manufacturers. Because of this, we can provide our customers with the best available AR parts at affordable prices. Toolcraft is a major OEM manufacturer for the U.S. Military and many other rifle manufacturers. Forget the fancy logo at a $50 premium, and have confidence it’s 100% made in the USA, North Carolina. If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty.

Also, we carry the 458 SOCOM upper receiver made by Aero precision, and for you reloaders out there, we carry Starline 458 SOCOM brass .

Carrier Specifications

Material: 8620 Steel
Type: M16 Full Auto (Preferred for most AR-15 builds)
Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws
Coating: Black Nitride

Bolt Specifications

Bolt Material: 9310 Steel | Shot Peened
Extractor Material: 4140 Steel
Caliber: 458 SOCOM
Mil-Spec O-Ring
Mil-Spec Gas Rings (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected

Lifetime Warranty – Toolcraft BCG carry a lifetime, no questions asked, warranty. Simply put… Should any Toolcraft product fail, return it to them for a brand new replacement.

Weight 12 oz
Dimensions 8.5 × 1.5 × 1.5 in


Coating Type

Black Nitride



Part Type

Bolt Carrier Group, Upper Receiver Parts



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