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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 817-840 of 1828

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  1. Armaspec Enhanced Takedown/Pivot Pins with EZ-Set AR-15 Accessory

    Armaspec Enhanced Takedown/Pivot Pins with EZ-Set ‒ ARM137-BLK

    Rating:
    83%
    (8)
    Regular Price $15.99 Special Price $13.99
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  2. Armaspec Anti-Walk Trigger/Hammer AR-15 Accessory Pins

    Armaspec Anti-Walk Trigger/Hammer Pins ‒ ARM136-SS

    Rating:
    94%
    (24)
    Regular Price $13.99 Special Price $12.49
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  3. Armaspec S1 Enhanced Trigger Guard - 2 Groove, Flat Dark Earth

    Armaspec S1 Enhanced Trigger Guard - 2 Groove, Flat Dark Earth ‒ ARM132-FDE

    Rating:
    100%
    (1)
    Regular Price $17.99 Special Price $13.99
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  4. PSA AR-15 Takedown Pin Detent Springs (Pack of 2)

    PSA AR15 Takedown Pin Detent Springs - Pack of 2 - 516445328

    Rating:
    95%
    (23)
    $1.49
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  5. PSA AR-15 Takedown Pin Detent (Pack of 2)

    PSA AR15 Takedown Pin Detent - Pack of 2 - 516445327

    Rating:
    99%
    (24)
    $1.49
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  6. Odin Works Extended Mag Release Gen II, Red

    Odin Works Extended Mag Release Gen II, Red ‒ ACC-XMR2-RED

    $24.99
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  7. Odin Works XMR3 Extended Mag Release Gen3, Black

    Odin Works XMR3 Extended Mag Release, Black - ACC-XMR3-BLK

    Rating:
    100%
    (3)
    Regular Price $25.99 Special Price $22.99
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  8. Odin Works XGMR-1 Extended Glock Mag Release, FDE

    Odin Works XGMR-1 Extended Glock Mag Release, FDE ‒ ACC-XGMR1-FDE

    Regular Price $34.99 Special Price $33.99
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  9. PSA AR-15 Trigger Spring

    PSA AR15 Trigger Spring - 1337

    Rating:
    100%
    (2)
    $1.99
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  10. PSA AR15 Pistol Buffer Tube - 516444934

    PSA AR15 Pistol Buffer Tube - 516444934

    Rating:
    77%
    (6)
    $29.99
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  11. CMC Triggers Anti-Walk Pin Set, Small

    CMC Triggers Anti-Walk Pin Set, Small - 91401

    Rating:
    88%
    (19)
    $15.00
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  12. Geissele Trigger Fitting Pin - 02-313

    Geissele Trigger Fitting Pin - 02-313

    Rating:
    99%
    (14)
    $19.99
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  13. PSA PA10 A2 Rifle Buffer Tube Kit - 7779360

    PSA PA10 A2 Rifle Buffer Tube Kit - 7779360

    Rating:
    85%
    (16)
    $59.99
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  14. Seekins Precision SP Safety Selector Kit in Black

    Seekins Precision SP Safety Selector Kit (Black) - - 0011580002

    Rating:
    100%
    (2)
    Regular Price $64.99 Special Price $57.99
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  15. PSA PA10 Bolt Catch Assembly - 508014

    PSA PA10 Bolt Catch Assembly - 508014

    Rating:
    89%
    (43)
    $6.99
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  16. PSA PA10 .308 Cam Pin - 507864

    PSA PA10 .308 Cam Pin - 507864

    Rating:
    100%
    (3)
    $9.99
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  17. Disassembled PSA Enhanced AR Trigger

    PSA AR15/PA10 EPT - Enhanced Polished Fire Control Group - 507797

    Rating:
    95%
    (770)
    $49.99
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  18. PSA A2 Stock Screw

    PSA A2 Stock screw- - -9349128

    Rating:
    100%
    (12)
    $3.99
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  19. AR-15 Upper Parts

    Magpul M-LOK to MOE Adapter Kit - MAG478

    Regular Price $11.99 Special Price $9.99
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  20. Magpul MOE Trigger Guard, Gray- Mag417-GRY

    Magpul MOE Trigger Guard, Gray- Mag417-GRY

    Regular Price $12.99 Special Price $8.99
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  21. PSA Bolt Extractor O Ring AR-15 Upper Part - Extractor

    PSA Bolt Extractor O-Ring - 1740

    Rating:
    100%
    (2)
    $0.99
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  22. Odin Works Extended Mag Release Gen II, Black

    Odin Works Extended Mag Release Gen II, Black ‒ ACC-XMR2-BLK

    Rating:
    90%
    (2)
    Regular Price $25.99 Special Price $22.99
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  23. PSA PA10 Magazine Catch - 506799

    PSA PA10 Magazine Catch - 506799

    Rating:
    64%
    (9)
    $4.99
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  24. Magpul CTR/MOE Cheek Riser 0.75", Gray- Mag327-GRY

    Magpul CTR/MOE Cheek Riser 0.75", Gray- Mag327-GRY

    $18.95
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Items 817-840 of 1828

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  1. Buffer Tube Assembly Parts 493
  2. Enhanced Parts 397
  3. Lower Receiver Assembly Parts 896
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