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Smith & Wesson ASSMBLY UPPR 300WHS/300BO

Smith & Wesson 812012 Uppers Zoom

Please note: Many of our pictures are stock photos provided to us by the manufacturer and may not accurately represent the actual item. Please review the Full Description and Specifications before ordering.

Model #: 812012

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S&W M&P15 Complete AR-15 Upper 300 Whisper/BlackOut 16" Blk
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Full Description


    SMITH & WESSON® M&P15 300 WHISPER® UPPER ASSEMBLY - Caliber: .300 Whisper® & .300 AAC Blackout

    •Features quad rail handguard
    •7075-T6 aluminum receiver w/Picatinny top rail & black finish
    •16-inch 4140 steel barrel w/Melonite® finish
    •Semi-auto action
    •1:7.5" barrel twist (5R rifling)
    •Includes the 5 port & “no snag” designed Yankee Hill Phantom flash suppressor
    •Barrel threaded to 5/8-24
    •FFL required for purchase

    Type Complete Gas Impingement
    Caliber 300 AAC Blackout/Whisper (7.62x35mm)
    Sights None, Optic Ready
    Barrel Length 16"
    Barrel Material 4140 Steel
    Twist 1:7.5"
    Barrel Description Threaded
    Barrel Finish Black
    Receiver Description A3
    Receiver Finish Black
    Handguards Quad Rail
    Handguard Finish Black
    Purpose Tactical/Sport
    Product Model M&P15

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