• Replaces the Factory Bumper on the back of the receiver
    • Installs in minutes
    • Helps reduce felt recoil
    • Uses a 25# waves spring and clear hard Polyurethane
    • Engineered for long use
    • Length of pull from 10.5” to 15”
    • Adjustable butt plate and rotational
    • Total weight 9.5 oz
    • Carbon Fiber, Aluminum, and Delrin Construction.
    • Will also work on SIG MPX and MCX
    • This is NOT a buffer tube
    • Comes with spring
    • Adds 20 more rounds
    • Designed for fast, easy cleaning
    • Allows for bolt hold open
    • Made of delrin
    • Machined in house

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