Toolcraft AR15 Bolt Kit

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Toolcraft AR15 Bolt Kit

Available in several calibers.

Toolcraft AR15 Bolt kit includes all of the internals required to rebuild or convert your current bolt carrier group to a different caliber.  Manufactured and warrantied by Toolcraft, an industry leader in bolt carrier groups.  Toolcraft bolt kits are available in Black Nitride, and Diamond-Like Carbon (DLC) finishes for 5.56 NATO and most AR15 variant calibers.

Each AR15 Bolt Kit includes an assembled bolt, firing pin, cam pin, and retainer pin.

Lifetime Warranty & Made in the U.S.A

Product Specifications

Manufacturer: Toolcraft
Caliber:  Various
Bolt Material: 158 C | 9310 Steel
Extractor Material: 4140 Steel
Finish:  Black Nitride | DLC
O-Ring: Mil-Spec (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected | Shot Peened

Product Information

Made in USA




Bolt Material

9310 Steel, C158 Steel

Coating Type

Black Nitride, Diamond-Like Carbon (DLC)


MPI Inspected, Shot Peened


458 SOCOM, 5.56 NATO, 6.5 Grendel, 6.8 SPC, 7.62×39, 224 Valkyrie, 450 Bushmaster

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