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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 433-456 of 1828

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  1. TriggerTech AR-15 Mil-Spec Curved Trigger, Two Stage, 5.5lb Pull - AH0TDB55NNC

    TriggerTech AR-15 Mil-Spec Curved Trigger, Two Stage, 5.5lb Pull - AH0TDB55NNC

    Regular Price $156.99 Special Price $140.99
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  2. Rise Armament AR-15 Magazine Release Button, Graphite - RA010GPHT

    Rise Armament AR-15 Magazine Release Button, Graphite - RA010GPHT

    Regular Price $8.99 Special Price $7.99
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  3. Rise Armament AR-15 Magazine Release Button, Black - RA010BLK

    Rise Armament AR-15 Magazine Release Button, Black - RA010BLK

    Regular Price $12.99 Special Price $10.99
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  4. Midwest Industries AR-15 Polymer Trigger Guard, Black - MITGBLK

    Midwest Industries AR-15 Polymer Trigger Guard, Black - MITGBLK

    Regular Price $8.99 Special Price $7.99
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  5. Battle Arms AR-15 Aluminum Takedown Pins, Blue - BADEPSALBLUE

    Battle Arms AR-15 Aluminum Takedown Pins, Blue - BADEPSALBLUE

    Rating:
    20%
    (1)
    Regular Price $29.95 Special Price $26.95
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  6. CMMG AR15 Ambi Mag Catch, Black - 55AFF6E

    CMMG AR15 Ambi Mag Catch, Black - 55AFF6E

    Rating:
    90%
    (2)
    Regular Price $36.99 Special Price $32.69
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  7. Strike Industries Enhanced Bolt Catch, Black, Fits AR-10

    Strike Industries Enhanced Bolt Catch, Black, Fits AR-10

    Rating:
    100%
    (4)
    Regular Price $15.95 Special Price $14.95
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  8. ACE Essential Retro Stock, 2 Position, Includes Buffer Tube, Black

    ACE Essential Retro Stock, 2 Position, Includes Buffer Tube, Black

    Regular Price $179.99 Special Price $161.99
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  9. ACE Essential Retro Stock, 2 Position, Includes Buffer Tube, Black - A127

    ACE Essential Retro Stock, 2 Position, Includes Buffer Tube, Black - A127

    Regular Price $194.99 Special Price $175.99
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  10. Reptilia LINK, Stock Adapter, Black, Magpul Zhukov folding stock Included, fits CZ Scorpion EVO 3

    Reptilia LINK, Stock Adapter, Black, Magpul Zhukov folding stock Included, fits CZ Scorpion EVO 3

    Regular Price $189.95 Special Price $170.99
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  11. Midwest Industries Side Folder with MI Stock Tube, Black, Fits Picatinny Rail

    Midwest Industries Side Folder with MI Stock Tube, Black, Fits Picatinny Rail

    Rating:
    100%
    (1)
    Regular Price $163.99 Special Price $146.99
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  12. Midwest Industries Stock Tube Adaptor, Fits Picatinny, Black

    Midwest Industries Stock Tube Adaptor, Fits Picatinny, Black

    Rating:
    100%
    (2)
    Regular Price $93.99 Special Price $83.99
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  13. Bravo Company BCM MK2 Buffer Mod 1 - T4 , Black, Matte, Buffer Only, 7.4oz

    Bravo Company BCM MK2 Buffer Mod 1 - T4 , Black, Matte, Buffer Only, 7.4oz

    $119.95
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  14. Battle Arms AR-15 Mil-Spec Buffer Tube 6 Position - AR15REMIL6CODG

    Battle Arms AR-15 Mil-Spec Buffer Tube 6 Position - AR15REMIL6CODG

    Rating:
    90%
    (2)
    Regular Price $49.99 Special Price $44.99
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  15. Sons of Liberty Gun Works Liberty Fighting Trigger, Nitride Finish, Black

    Sons of Liberty Gun Works Liberty Fighting Trigger, Nitride Finish, Black

    Rating:
    100%
    (1)
    Regular Price $88.99 Special Price $79.99
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  16. Bravo Company AR-15 MK2 Recoil Mitigation System Mod & Buffer Tube - BCMMK2RMSM1T0

    Bravo Company AR-15 MK2 Recoil Mitigation System Mod & Buffer Tube - BCMMK2RMSM1T0

    Rating:
    100%
    (1)
    $110.99
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  17. Armaspec SFT 45/90, Safety Selector, Flat Dark Earth - ARM113FDE

    Armaspec SFT 45/90, Safety Selector, Flat Dark Earth - ARM113FDE

    Rating:
    100%
    (1)
    Regular Price $47.99 Special Price $42.99
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  18. LanTac Bolt Catch Pro Black Finish - 01LPBCPRO

    LanTac Bolt Catch Pro Black Finish - 01LPBCPRO

    Regular Price $65.99 Special Price $58.99
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  19. Battle Arms .308 Enhanced Bolt Catch, fits AR308 DPMS Gen 1 Style Receivers, Black

    Battle Arms .308 Enhanced Bolt Catch, fits AR308 DPMS Gen 1 Style Receivers, Black

    Rating:
    100%
    (1)
    Regular Price $18.99 Special Price $16.99
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  20. Fortis Billet AR-15 Magazine Catch and Release - AR15BMCRBLK

    Fortis Billet AR-15 Magazine Catch and Release - AR15BMCRBLK

    Rating:
    100%
    (1)
    Regular Price $27.99 Special Price $23.99
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  21. Fortis AR-15 Takedown Pin Set - PINSTDPIVBLK

    Fortis AR-15 Takedown Pin Set - PINSTDPIVBLK

    Regular Price $24.99 Special Price $21.99
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  22. Battle Arms H3 AR-15 Mil-Spec Buffer, Silver - AR15BUFFERH3

    Battle Arms H3 AR-15 Mil-Spec Buffer, Silver - AR15BUFFERH3

    Rating:
    97%
    (19)
    $122.99
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  23. Battle Arms AR-15 Mil-Spec Heavy Buffer, Silver - AR15BUFFERH

    Battle Arms AR-15 Mil-Spec Heavy Buffer, Silver - AR15BUFFERH

    Regular Price $57.99 Special Price $52.19
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  24. Rise Armament "Dont Tread On Me" Trigger

    Rise Armament "Dont Tread On Me" Trigger - RA-140F-DTOM

    Rating:
    91%
    (14)
    $139.99
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Items 433-456 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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