Check out
    Item #: AAC102129

    Advanced Armament 300 AAC Blackout 12.5 Inch Upper Receiver Assembly

    Shop Advanced Armament 300 AAC Blackout 12.5 Inch Upper Receiver Assembly at MacksPW.com - The hunt begins here. Fast shipping, great prices & large selection at America’s Premier Waterfowl Outfitter!
    Sorry! This item is no longer available.
    Sorry, this item is currently unavailable.
    Product Description


    Advanced Armament 300 AAC Blackout 12.5 Inch Upper Receiver Assembly is designed for use with a carbine receiver extension, standard GI Buffer Spring and an H2 Buffer. Ready to drop onto your AR15/M16/M4 lower! Works with an AR lower with Mil-Spec push pin locations.

    Advanced Armament 300 AAC Blackout 12.5 Inch Upper Receiver Assembly Specifications:

    • 12.5 inch Nitrided 1:7" Twist Barrel, threaded 5/8-24
    • AAC 51T BLACKOUT Flash Hider
    • Full Auto BCG - KAC URX Rail

    Customer Review Rate it & Win
    separator
    Discussions
    Currently there are no discussions available for this item.
    Customer Comments
    "I love Mack's. I come to Arkansas every year to duck hunt and always stop and buy some stuff from there. Even got my turkey hunting buddies back home in Alabama ordering turkey supplies from there. Great place, great customer service. Never had an issue with Mack's whether ordering online or in person - Thanks!" - Verified Buyer, March 2017
    Loading....