(Cart is Empty)

You have no items in your cart.

Advanced Armament 300BO 9IN UPPER *RESTRICT*

Advanced Armament 100884 Uppers Zoom

Out of Stock

Regular Price: $884.04

Sale Price $872.00

Model #: 100884

No reviews yet, be the first!

AAC 300BO 9" Upper *Restrict* 4150 Steel Blk
This product is out of stock and we do not have an expected date when it will be back in stock.

Full Description


    This complete Upper is only legal if it is put on a Class III firearm or used as a pistol upper. This barrel assembly is all you need to convert your 5.56mm AR to 300 AAC BlackOut. The 4150 steel barrel features a black nitride finish (including the bore and chamber), 1:8" twist for super- or sub-sonic use. It comes ready for silencer use, threaded 5/8-24. It includes a thread protector, gas tube, and a steel low-profile press-fit set screw gas block (barrel has set-screw divots for gas block alignment).
    TypeComplete Gas Impingement
    Caliber300 AAC Blackout/Whisper (7.62x35mm)
    SightsNone (Optic Ready)
    Barrel Length9.0"
    Barrel Material4150 Steel
    Barrel DescriptionThreaded
    Barrel FinishBlack
    Receiver DescriptionA3
    Receiver FinishBlack
    HandguardsQuad Rail
    Handguard FinishBlack
    Product ModelBlackout

    Write Your Own Review

    Only registered users can write reviews. Please, log in or register