• Advanced blowback design
• Works well with Colt SMG magazines
• Made from 8620 stainless steel
• QPQ melonite treated
• Heavy duty extractor
• Rearward removable mass

The QC10 Colt Bolt Assembly works very well with Colt SMG style magazines. This part is made from 8620 steel, meaning that it will most likely outlast most other parts. QC10 melonite QPQ treats their Colt bolts to ensure maximum durability. The extractor claw is very heavy duty and will reliably extract spent casings with ease. You will have the option to remove a mass from the rear portion of this bolt, meaning that you can use this with JP Silent Captured Springs.

For more info, visit Quarter Circle 10