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Lower Parts & Kits

Lower parts kits, ambidextrous magazine releases, takedown and pivot pins, anti-rotation pins and springs for the AR-15 from KNS, CMMG, Spikes Tactical, Magpul, Bravo Company, Troy Industries, Battle Arms Development, Noveske, Daniel Defense and Lantac.

Check whether a complete kit includes the trigger group and pistol grip, and match pins to your lower; most use .154 small-pin fire control.

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  • Bravo Company Enhanced Lower Parts Kit AR15 Black

    Bravo Company Enhanced Lower Parts Kit AR15 Black

    Bravo Company (BCM)
    $119.95
    The BCM Enhanced Lower Parts Kit has every part needed to complete a stripped AR-15 lower receiver except the stock assembly, including BCM's PNT trigger, Gunfighter Mod 3 grip and Gunfighter trigger...
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  • CMMG Gun Builder Lower Parts Kit, AR15

    CMMG Gun Builder Lower Parts Kit, AR15

    CMMG
    $34.95
    CMMG's AR-15 Gunbuilder's Lower Parts Kit has the small parts needed to complete a stripped lower, leaving out the trigger group, trigger guard and pistol grip so you can pick your own.FeaturesAll...
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  • Noveske Takedown/Pivot Pin Set

    Noveske Takedown/Pivot Pin Set

    Noveske
    $14.95
    MSRP: $19.95
    The Noveske Takedown/Pivot Pin Set is a direct replacement for the factory rear takedown pin and front pivot pin on an AR-15, with the Noveske logo machined into each pin head. Features Direct...
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  • KNS Gen 2 Non-Rotating Trigger And Hammer Pins .154

    KNS Gen 2 Non-Rotating Trigger And Hammer Pins .154

    KNS Precision
    $31.00 - $41.00
    KNS Precision Gen 2 Non-Rotating Trigger and Hammer Pins lock in place with anti-creep retainers, so the pins cannot rotate or walk and wear the receiver pin holes. They suit heavily used semi-auto...
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  • KNS Gen 2 Mod 2 Non-Rotating Trigger And Hammer Pins .154

    KNS Gen 2 Mod 2 Non-Rotating Trigger And Hammer Pins .154

    KNS Precision
    $31.00 - $41.00
    KNS Precision Gen 2 Mod 2 Non-Rotating Trigger and Hammer Pins lock in place with anti-creep retainers, so the pins cannot rotate or walk and wear the receiver pin holes. They suit heavily used...
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  • KNS Enhanced Push Button Take Down Pin .250

    KNS Enhanced Push Button Take Down Pin .250

    KNS Precision
    $19.99
    The KNS Precision Enhanced Push Button Takedown Pin replaces the standard .250" rear takedown pin on an AR-15 lower and uses captured spring-loaded detents, so there is no separate takedown detent...
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  • KNS Enhanced Push Button Pivot Pin .250

    KNS Enhanced Push Button Pivot Pin .250

    KNS Precision
    $19.99
    The KNS Precision Enhanced Push Button Pivot Pin replaces the standard .250" pivot pin on an AR-15 lower and uses captured spring-loaded detents, so there is no separate pivot detent and spring to...
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  • Bravo Company Gunfighter Trigger Guard

    Bravo Company Gunfighter Trigger Guard

    Bravo Company (BCM)
    $6.95
    The BCM Gunfighter Trigger Guard is an ergonomic polymer replacement for the standard AR-15 trigger guard. Its contoured shape removes sharp edges and gives more room for a gloved finger...
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  • Battle Arms Development Enhanced Pin Set

    Battle Arms Development Enhanced Pin Set

    Battle Arms Development
    $28.95
    The Battle Arms Development Enhanced Pin Set replaces mil-spec AR-15 takedown and pivot pins with lower-profile heads that are easier to grip and push out. Features Patent-pending pin heads improve...
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  • Magpul Polymer Trigger Guard AR15/M4

    Magpul Polymer Trigger Guard AR15/M4

    Magpul
    $4.95
    The Magpul MOE Trigger Guard is a polymer replacement trigger guard for AR-15 / M4 lowers, with an enlarged opening that makes room for a gloved trigger finger. Features Enlarged trigger guard...
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  • Magpul B.A.D. Lever - Battery Assist Device AR15/M4

    Magpul B.A.D. Lever - Battery Assist Device AR15/M4

    Magpul
    $28.95
    The Magpul B.A.D. Lever attaches to the AR bolt catch so you can lock and release the bolt with your trigger finger from the ready position, without entering the trigger guard.FeaturesLock or release...
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  • KNS Turned Lower Parts Kit

    KNS Turned Lower Parts Kit

    KNS Precision
    $20.00
    The KNS Precision Turned Lower Parts Kit replaces the common pins and detents in an AR-15 lower receiver with parts turned (machined) by KNS Precision. It is a straightforward way to replace worn or...
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  • Spikes Tactical Enhanced Lower Parts Kit For AR15/M4

    Spikes Tactical Enhanced Lower Parts Kit For AR15/M4

    Spikes Tactical
    $164.95
    The Spike's Tactical Enhanced Lower Parts Kit completes an AR-15 lower with upgraded controls, an Ergo grip and the nickel boron Spike's Battle Trigger Group. Features Nickel boron coated...
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  • Troy Ind. Ambidextrous Magazine Release

    Troy Ind. Ambidextrous Magazine Release

    Troy Industries
    $54.99
    The Troy Industries Ambidextrous Magazine Release adds a release on the left side of an AR-15 lower while keeping the feel and length of a standard magazine release button. It helps left-handed...
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