Toolcraft 6.8 SPC Nickel Boron BCG


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Toolcraft 6.8 SPC Nickel Boron BCG

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 Monmouth are manufactured and plated / coated by Toolcraft and include a 100% no-questions-asked warranty.

Toolcraft 6.8 SPC Nickel Boron BCG is a Full Auto BCG for your AR15 platform.  This BCG is 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, is Arm or Ally is proud to add Toolcraft products to our already fantastic line up of reputable manufacturers.  This provides 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.  Because it’s 100% made in the USA, North Carolina you can have confidence that your rifle has a premium part.  If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty.

Carrier Specifications

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

Bolt Specifications

Caliber: 6.8 SPC
Bolt Material:  9310 Steel | Shot Peened
Extractor Material: 4140 Steel
Bolt Face Depth: .125 (measured from face to end)
Type: Type II
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
Part Type

Bolt Carrier Group, Upper Receiver Parts


6.8 SPC





Coating Type

Nickel Boron

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