4.5" 9MM Upper with 4" Free Float Handguard

4.5" 9MM Upper with 4" Free Float Handguard

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On sale: $172.99
Retail Price:$299.99
You Save:$127.00(42%)
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Part Number:br9-4-fssm04-m4-9mm

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9mm Options
AR-15 Mil-Spec Upper Receiver (Stripped) - Made in U.S.A.

    High quality and lightweight stripped Upper Receiver

    Material: Aircraft grade Aluminum

    Finish: Black Anodized

Dust Cover

    Dust Cover, Spring, and Rod are constructed from 4150 Steel

    Black Type III Hardcoat Anodizing

Forward Assist

    Constructed from 4150 Steel

    Includes Plunger, Forward Assist Pawl, Retainer pin, and spring

Free Float 4 Inch Free Float Handguard

    4 inches long

    Made of aircraft 6061 T6 aluminum

    Great for mounting scopes, sights, lasers and flashlights

    Super easy to install. Takes just minutes



AR-9 4.5" Barrel 9MM

1:10 Twist

    Length: 4.5"

    9 x 19 Parabellum

    1:10 Twist

    1/2x36" Thread Pitch

    4150 Heat treated and stress relieved Chrome Moly Vanadium quality steel.

    Finish: Black Nitride

    Made in the U.S.A

    Fits: AR-15

    MUZZLE BRAKE TREAD PITCH IS THE SAME AS AR-15 1/2X28

AR-15 Birdcage Muzzle Brake

    Standard GI style

    Thread pitch 1/2 x36 For AR15 5.56/.223

    Rust and corrosion resistant black phosphate

    Helps control muzzle rise, flash and recoil

    Finished with a black phosphate with 5 down force vents

    Includes crush washer

    Machined steel, matte black. 1.75" (4.4cm) long, 7/8" (2.2cm) O.D. ½”-36 tpi.

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