Toolcraft 5.56 NATO / 223 Rem Bolt Carrier Group - Chrome Phosphate


Original price was: $169.99.Current price is: $99.99.

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Toolcraft 5.56/223 Bolt Carrier Group – Chrome Phosphate

Lifetime Warranty & Made in the U.S.A

ToolcraftÊ5.56 Chrome Phosphate Bolt Carrier Group is a Full-Auto M16 BCG, manufactured using the finest U.S sourced raw materials available. Featuring a black magnesium phosphate finish with a chrome lined carrier and gas key. Keep the original MIL-SPEC appearance and function of the AR15. The Bolt Carrier Group is the heart of your rifle, and what better name to trust than Toolcraft.

Arm or Ally is the internets largest authorized stocking dealer of Toolcraft Products. If you want one of the best looking and performing Bolt Carrier Groups available today, choose a Toolcraft. Toolcraft is a major OEM Manufacturer for the U.S. Military and several other rifle manufacturers. Forget the fancy logo at a $75 premium; Have confidence the heart of your AR Rifle is 100% made in the USA, and Toolcraft has you protected with their no-questions-asked Lifetime Warranty.

Product Specifications


  • Manufacturer: Toolcraft
  • Material: 8620 Steel
  • Type: M16 Full Auto
  • Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws
  • Finish: Magnesium Phosphate | Chrome Lined


  • Caliber:Ê5.56 NATO | 223 Rem
  • Bolt Material: 9310 Steel or C158
  • Extractor Material: 4140 Steel
  • O-Ring: Mil-Spec (3)
  • Cam Pin Material: 8620 Steel
  • Firing Pin Material: 416 Stainless Steel
  • Other: MPI Inspected | Shot Peened

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 include the manufacturers 100% no-questions-asked warranty.

Product Information






223 Rem, 300 Blackout, 350 Legend, 5.56 NATO

Carrier Material

8620 Steel

Bolt Material

9310 Steel


Phosphate, Chrome Lined




Standard AR15 components


MPI Inspected, Shot Peened, FA Serrations

Made in USA




Arm or Ally

Arm or Ally is a stocking dealer for all Aero Precision, Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, TriggerTech, HIPERFIRE and was named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!

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