AR 15 barrel manufacturer help
- Thread starter HISIDE
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HP =High pressure MP = Magnetic particle inspected 1/8 twist 5.56 chamber National Match.
BCM and a few others mark their barrels this way.
Look like this? https://www.bravocompanyusa.com/BCM...h-Rifle-Length-Gas-p/bcm-brl-ss410-samr-1.htm
BCM and a few others mark their barrels this way.
Look like this? https://www.bravocompanyusa.com/BCM...h-Rifle-Length-Gas-p/bcm-brl-ss410-samr-1.htm
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