The quality and performance of your bolt carrier group is essential to how well your AR-15 functions. The BCG performs many crucial tasks such as: chambering each round, extraction and ejection, and it resets the hammer as it moves rearward during the firing cycle. This Toolcraft 5.56/.223/.300BLK Bolt Carrier Group has an8620 steel carrier, 9310 steel bolt, and a D2 steel extractor. They have hard-chromed 8740 steel firing pins, mil-spec gas rings, and gas keys with staked and sealed Grade-8 screws. All parts are shot-peened and Magnetic Particle Inspected for quality control. This BCG features the high-end Nickel Boron coating that provides multiple benefits. When you combine these features and materials with precision CNC machining, you get a superb BCG. Toolcraft Inc is a North Carolina based company that specializes in bolt carrier group manufacturing.
These remarkable BCGs had hundreds of 5-STAR ratings all over the web at the time this was written. These Toolcraft Inc. BCGs come with a factory Lifetime Replacement Warranty. Plus, with the AR15Discounts satisfaction guarantee, you can buy your AR build components without any worry. Our guarantee says if you are unhappy for any reason, you can send it back to us within 30 days for a full refund.
This Toolcraft Inc. .223/5.56/300BLK BCG is also available in Black Nitride.
NOTE- The Nickel Boron coating is well known for reducing friction because of its molecular structure, it offers great heat dissipation properties, reduces wear on the BCG and the corresponding parts, and it increases the longevity of the BCG. Nickel Boron coatings are also known to reduce problems with function due to the decrease in overall friction and wear.
- Bolt w/ D2 Extractor
- Bolt Carrier w/ staked Gas Key
- Cam Pin
- Firing Pin
- Firing Pin Retaining Pin
- Gas system: Direct Impingement
- Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout
- Nickel Boron Coating
- Bolt: 9310 Alloy Steel (High Hardness)
- Carrier: 8620 Aircraft Grade Steel
- Extractor: Shot Peened and Case Hardened D2 Tool Steel
- Firing Pin: Mil-spec 8740 steel with hard chrome finish
- Gas Key: Mil-Spec w/ properly staked Grade-8 screws and sealed with Permatex No. 3
- Cam Pin: 8620 Steel w/ Black Nitride Finish
- Quality Control: MPI Inspected for QC
- Forward Assist Serrations
- Shrouded Firing Pin
- Made in the USA
NOTE: This BCG has the M16 Profile carrier. Even though it has the M16 profile, just installing it will not convert your AR15 to full-auto.