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AR-15 Lower Parts

Please browse our selection of individual parts for your AR-15. We stock lower parts such as buffer tube assemblies, enhanced parts, and assembly parts for lower receivers. Choose from some top-selling brands like Palmetto State Armory, Armaspec, PSA Custom, Timber Creek, and much more.

Buffer Tube Assembly Parts

Buffer Tube Assembly Parts
Enhanced Parts

Enhanced Parts
Lower Receiver Assembly Parts

Lower Receiver Assembly Parts
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Items 1705-1728 of 1828

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  1. Elftmann Tactical ELF-SE Curved Trigger - ELF-SE-C

    Elftmann Tactical ELF-SE Curved Trigger - ELF-SE-C

    Rating:
    60%
    (2)
    Out of Stock
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  2. Elftmann Tactical 3-Gun Flat AR-15 Enhanced Trigger

    Elftmann Tactical 3-Gun Flat AR-15 Trigger (2.75-4lb) - 3-GUN-F

    Out of Stock
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  3. Elftmann Tactical Curved AR-15 Trigger

    Elftmann Tactical 3-Gun Curved AR-15 Trigger (2.75-4lb) - 3-GUN-C

    Rating:
    100%
    (1)
    Out of Stock
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  4. Elftmann Tactical Match Flat AR-15 Trigger

    Elftmann Tactical Match Flat AR-15 Trigger (2.75-4lb) - MATCH-F

    Rating:
    80%
    (1)
    Out of Stock
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  5. Elftmann Tactical Match Curved AR-15 Trigger

    Elftmann Tactical Match Curved AR-15 Trigger (2.75-4lb) - MATCH-C

    Out of Stock
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  6. CMC Single Stage Tactical AR Trigger

    CMC Triggers Single Stage Tactical Trigger - 2-2.5lb Flat - 90503

    Rating:
    97%
    (556)
    Out of Stock
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  7. Armaspec .308 Stealth Recoil Spring - SRS-308 - ARM153-308

    Armaspec .308 Stealth Recoil Spring - SRS-308 - ARM153-308

    Rating:
    96%
    (10)
    Out of Stock
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  8. AR-15 Individual Lower Parts Armaspec Stealth Recoil Spring

    Armaspec Stealth Recoil Spring - SRS-H - ARM153-H

    Rating:
    90%
    (4)
    Out of Stock
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  9. Geissele Super APC9/45 Trigger - 05-685

    Geissele Super APC9/45 Trigger - 05-685

    Out of Stock
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  10. Timber Creek Ambidextrous Safety Selector, Blue - Ambi SS BLU

    Timber Creek Ambidextrous Safety Selector, Blue - Ambi SS BLU

    Rating:
    100%
    (2)
    Out of Stock
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  11. Timber Creek AR Extended Magazine Release, Blue - AR EMR BLU

    Timber Creek AR Extended Magazine Release, Blue - AR EMR BLU

    Rating:
    100%
    (1)
    Out of Stock
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  12. CMC Triggers AR-15 Match Grade Two Stage Curved Trigger (2-3 lbs.)

    CMC Triggers AR-15 Match Grade Two Stage Curved Trigger (2-3 lbs.) ‒ 96502

    Out of Stock
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  13. Strike Industries Viper Stock Pad

    Strike Industries Viper Stock Pad ‒ SI-VIPER-ES-MOD1-PAD

    Out of Stock
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  14. Strike Industries Multi-Function End Plate w/ Anti-Rotation Castle Nut

    Strike Industries Multi-Function End Plate w/ Anti-Rotation Castle Nut - SI-AR-MFEP&ACN

    Rating:
    100%
    (4)
    Out of Stock
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  15. Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Gray

    Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Gray - SI-AR-ECN&EEP-GY

    Out of Stock
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  16. Strike Industries AK Stock to AR Buffer Tube Adapter

    Strike Industries AK Stock to AR Buffer Tube Adapter - SI-AK-SA

    Rating:
    70%
    (4)
    Out of Stock
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  17. PWS Mod 2 Enhanced Buffer Tube with Ratchet Lock, Castle Nut, and End Plate

    PWS Mod 2 Enhanced Buffer Tube w/ Ratchet Lock Castle Nut & End Plate - 4G2BTMB1

    Rating:
    100%
    (2)
    Out of Stock
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  18. Armaspec AR9mm Stealth Recoil System - SRS-9

    Armaspec AR9mm Stealth Recoil System - SRS-9

    Rating:
    78%
    (9)
    Out of Stock
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  19. imber Creek Outdoors AR Oversized Trigger Guard, Flat Dark Earth

    Timber Creek AR Oversized Trigger Guard, Flat Dark Earth - AR OTG FDE

    Out of Stock
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  20. Strike Industries Finger Bump AR-15 Accessory

    Strike Industries AR & AK Finger Bump for SI EPG - SI-EPG-FINGERBUMP

    Rating:
    100%
    (2)
    Out of Stock
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  21. Strike Industries Strike Selector Switch, Grey

    Strike Industries Strike Selector Switch, Grey ‒ SI-AR-S-SS-GY

    Out of Stock
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  22. Strike Industries Strike Selector Switch, Blue

    Strike Industries Strike Selector Switch, Blue ‒ SI-AR-S-SS-BLU

    Out of Stock
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  23. Strike Industries Fang Polymer Trigger Guard, FDE - SI-COBRA-FANG-FDE

    Strike Industries Fang Polymer Trigger Guard, FDE - SI-COBRA-FANG-FDE

    Out of Stock
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  24. Strike Industries Cobra Straight and Right Only Polymer Trigger Guard 2 Pack, FDE

    Strike Industries Cobra Straight and Right Only Polymer Trigger Guard 2 Pack, FDE

    Out of Stock
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Items 1705-1728 of 1828

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  1. Buffer Tube Assembly Parts 493
  2. Enhanced Parts 398
  3. Lower Receiver Assembly Parts 896
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