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to provide a fast, secure, and enjoyable experience. by Jeff, from OR, United States Asked on March 15, 2022
Yes, this JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group Kit is a blowback style bolt. A blowback style bolt doesn't lock up in the chamber like a traditional AR15 bolt. So when the gun is fired the the force and expanding gases force the bolt back instead of gas being forced down a gas tube like in a traditional AR15 gas system.