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  • Green Mountain 9mm AR-15 Barrel 10.5" M4 Nitride
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    Green Mountain 9mm AR-15 Barrel 10.5″ M4 Nitride

    MSRP: $182.95
    $182.95
  • Green Mountain 300 BLK AR-15 Barrel 12.5" M4 Phosphate
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    Green Mountain 300 BLK AR-15 Barrel 12.5″ M4 Phosphate

    MSRP: $173.95
    $173.95

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  • Green Mountain .223 Wylde AR-15 Barrel 22" M4 416SS Passivated
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    Green Mountain .223 Wylde AR-15 Barrel 22″ M4 416SS Passivated

    MSRP: $230.95
    $230.95

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  • Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Fluted Black Pass.
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    Green Mountain .223 Wylde AR-15 Barrel 18″ M4 416SS Fluted Black Pass.

    MSRP: $230.95
    $230.95

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  • Green Mountain .223 Wylde AR-15 Barrel 20" M4 416SS Fluted Passivated
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    Green Mountain .223 Wylde AR-15 Barrel 20″ M4 416SS Fluted Passivated

    MSRP: $230.95
    $230.95
  • Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Black Pass.
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    Green Mountain .223 Wylde AR-15 Barrel 18″ M4 416SS Black Pass.

    MSRP: $230.95
    $230.95
  • Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Passivated
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    Green Mountain .223 Wylde AR-15 Barrel 18″ M4 416SS Passivated

    MSRP: $218.95
    $218.95

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  • Green Mountain .223 Wylde AR-15 Barrel 18" M4 416SS Fluted Passivated
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    Green Mountain .223 Wylde AR-15 Barrel 18″ M4 416SS Fluted Passivated

    MSRP: $218.95
    $218.95
  • Green Mountain .223 Wylde AR-15 Barrel 16" M4 Nitride
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    Green Mountain .223 Wylde AR-15 Barrel 16″ M4 Nitride

    MSRP: $187.95
    $187.95
  • Green Mountain 5.56 AR-15 Barrel 20" M16 A1 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 20″ M16 A1 Phosphate

    MSRP: $194.95
    $194.95

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  • Green Mountain 5.56 AR-15 Barrel 20" M4 A2 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 20″ M4 A2 Phosphate

    MSRP: $194.95
    $194.95

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  • Green Mountain 5.56 AR-15 Barrel 20" M4 A2 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 20″ M4 A2 Phosphate

    MSRP: $194.95
    $194.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Nitride
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Nitride

    MSRP: $187.95
    $187.95
  • Green Mountain 5.56 AR-15 Barrel 18" M4 Passivated
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    Green Mountain 5.56 AR-15 Barrel 18″ M4 Passivated

    MSRP: $218.95
    $218.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Crowned Phosphate
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Crowned Phosphate

    MSRP: $182.95
    $182.95
  • Green Mountain 5.56 AR-15 Barrel 16" M4 416SS Passivated
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 416SS Passivated

    MSRP: $216.95
    $216.95
  • Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Phosphate

    MSRP: $182.95
    $182.95
  • Green Mountain 5.56 AR-15 Barrel 16" M4 Finned Nitride
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Finned Nitride

    MSRP: $207.95
    $207.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Fluted Phosphate
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Fluted Phosphate

    MSRP: $206.95
    $206.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate
    Out of stock
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Phosphate

    MSRP: $182.95
    $182.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate
    Out of stock
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Phosphate

    MSRP: $182.95
    $182.95

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  • Green Mountain 5.56 AR-15 Barrel 16" M4 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 16″ M4 Phosphate

    MSRP: $182.95
    $182.95
  • Green Mountain 5.56 AR-15 Barrel 14.7" M4 A1 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 14.7″ M4 A1 Phosphate

    MSRP: $207.95
    $207.95
  • Green Mountain 5.56 AR-15 Barrel 14.5" M4 Phosphate
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    Green Mountain 5.56 AR-15 Barrel 14.5″ M4 Phosphate

    MSRP: $194.95
    $194.95