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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 313-336 of 1828

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  1. Magpul ESK Enhanced Selector Kit in Black - Upgraded Selector Kit for Improved Control and Functionality - MAG1254-BLK

    Magpul ESK Enhanced Selector Kit in Black - Upgraded Selector Kit for Improved Control and Functionality - MAG1254-BLK

    Regular Price $53.99 Special Price $47.99
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  2. Aim Sports Pistol Buffer Tube, Black - Lightweight and Sturdy Buffer Tube for Pistol - ARPTUB

    Aim Sports Pistol Buffer Tube, Black - Lightweight and Sturdy Buffer Tube for Pistol - ARPTUB

    Rating:
    70%
    (2)
    $14.99
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  3. B&T USA Enhanced Ambidextrous Bolt Catch Kit, Black - Improved Firearm Handling with Ambidextrous Bolt Catch - BAD-EBC-AMBI-KIT

    B&T USA Enhanced Ambidextrous Bolt Catch Kit, Black - Improved Firearm Handling with Ambidextrous Bolt Catch - BAD-EBC-AMBI-KIT

    Regular Price $55.99 Special Price $49.99
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  4. Strike Industries Pivot and Takedown Pin 0.37" x 1.24" for Knights Armament SR-25 in Black - Enhanced Pin Set for Precision - SI-AR10-EPTP-BK

    Strike Industries Pivot and Takedown Pin 0.37" x 1.24" for Knights Armament SR-25 in Black - Enhanced Pin Set for Precision - SI-AR10-EPTP-BK

    Rating:
    100%
    (1)
    Regular Price $22.99 Special Price $19.99
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  5. LBE Unlimited Replacement Trigger - Two-Stage Curved, Black for Precision and Enhanced Performance - AR2STG

    LBE Unlimited Replacement Trigger - Two-Stage Curved, Black for Precision and Enhanced Performance - AR2STG

    Regular Price $102.99 Special Price $91.99
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  6. Maxim Defense Industries Carbine Roller Delayed Blowback System Buffer - Enhanced Recoil Management - MXM47839

    Maxim Defense Industries Carbine Roller Delayed Blowback System Buffer - Enhanced Recoil Management - MXM47839

    Rating:
    100%
    (2)
    Regular Price $190.99 Special Price $171.99
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  7. Maxim Defense Industries CQB Roller Delayed Blowback System Buffer - Superior Performance in Close Quarters - MXM47838

    Maxim Defense Industries CQB Roller Delayed Blowback System Buffer - Superior Performance in Close Quarters - MXM47838

    Regular Price $190.99 Special Price $171.99
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  8. Sons of Liberty Gun Works A5 Buffer System, Black - Reliable and Efficient Buffer Solution - A5KIT

    Sons of Liberty Gun Works A5 Buffer System, Black - Reliable and Efficient Buffer Solution - A5KIT

    Rating:
    84%
    (5)
    Regular Price $168.99 Special Price $151.99
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  9. Sons of Liberty Gun Works Trigger - Two-Stage, Black for Enhanced Precision and Performance - L2S

    Sons of Liberty Gun Works Trigger - Two-Stage, Black for Enhanced Precision and Performance - L2S

    Regular Price $176.99 Special Price $158.99
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  10. Allen Snap-On Recoil Pad Black - Easy-Install Recoil Pad for Enhanced Comfort and Effective Recoil Management - 18431

    Allen Snap-On Recoil Pad Black - Easy-Install Recoil Pad for Enhanced Comfort and Effective Recoil Management - 18431

    Rating:
    100%
    (5)
    Regular Price $16.99 Special Price $14.99
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  11. Forward Controls Design TGF Trigger Guard Enlarged Opening - TGF, Winter, BLK

    Forward Controls Design TGF Trigger Guard Enlarged Opening - TGF, Winter, BLK

    Rating:
    100%
    (1)
    Regular Price $26.99 Special Price $23.99
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  12. Forward Controls Design ESF-H3 QD Socket End Plate - ESF-H, BLK DLC

    Forward Controls Design ESF-H3 QD Socket End Plate - ESF-H, BLK DLC

    Regular Price $69.99 Special Price $62.99
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  13. Forward Controls Design CNF Castle Nut Improved Staking Notches - CNF-BLK

    Forward Controls Design CNF Castle Nut Improved Staking Notches - CNF-BLK

    Rating:
    100%
    (1)
    Regular Price $22.99 Special Price $19.99
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  14. Forward Controls Design Mag Release Button, Dimpled - EMR-H, AA (dimpled)

    Forward Controls Design Mag Release Button, Dimpled - EMR-H, AA (dimpled)

    Regular Price $18.99 Special Price $16.99
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  15. Forward Controls Design Mag Release Button, Serrated - EMR-H, Serrated

    Forward Controls Design Mag Release Button, Serrated - EMR-H, Serrated

    $16.15
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  16. Forward Controls Design ASF-50Q Ambi Safety 50 Degree Q Levers - ASF-50Q

    Forward Controls Design ASF-50Q Ambi Safety 50 Degree Q Levers - ASF-50Q

    Rating:
    100%
    (1)
    Regular Price $100.99 Special Price $90.99
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  17. Forward Controls Design ASF-50 Ambi Safety 50 Degree Standard Levers - ASF-50

    Forward Controls Design ASF-50 Ambi Safety 50 Degree Standard Levers - ASF-50

    $90.25
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  18. Forward Controls Design ASF-90Q Ambi Safety 90 Degree Q Levers - ASF-90Q

    Forward Controls Design ASF-90Q Ambi Safety 90 Degree Q Levers - ASF-90Q

    $90.25
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  19. Forward Controls Design ASF-90 Ambi Safety 90 Degree Standard Levers - ASF-90

    Forward Controls Design ASF-90 Ambi Safety 90 Degree Standard Levers - ASF-90

    $90.25
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  20. Forward Controls Design ABC/R v3 5.56 Bolt Catch Dimpled, Rearward Biased Paddle - ABC/R v3 RB AA

    Forward Controls Design ABC/R v3 5.56 Bolt Catch Dimpled, Rearward Biased Paddle - ABC/R v3 RB AA

    Regular Price $74.99 Special Price $66.99
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  21. Forward Controls Design ABC/R v3 5.56 Bolt Catch Dimpled, Non-Offset - ABC/R v3 0B AA

    Forward Controls Design ABC/R v3 5.56 Bolt Catch Dimpled, Non-Offset - ABC/R v3 0B AA

    Rating:
    100%
    (1)
    $58.90
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  22. Forward Controls Design ABC/R v3 RB 5.56 Bolt Catch /Release Serrated, Rearward Biased Paddle - ABC/R v3 RB Serrated

    Forward Controls Design ABC/R v3 RB 5.56 Bolt Catch /Release Serrated, Rearward Biased Paddle - ABC/R v3 RB Serrated

    $58.90
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  23. Forward Controls Design ABC/R v3 FB 5.56 Bolt Catch /Release Serrated, Forward Biased Paddle - ABC/R v3 FB Serrated

    Forward Controls Design ABC/R v3 FB 5.56 Bolt Catch /Release Serrated, Forward Biased Paddle - ABC/R v3 FB Serrated

    $58.90
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  24. Forward Controls Design ABC/R v3 5.56 Bolt Catch / Release Serrated, Non-Offset - ABC/R v3 0B Serrated

    Forward Controls Design ABC/R v3 5.56 Bolt Catch / Release Serrated, Non-Offset - ABC/R v3 0B Serrated

    $58.90
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Items 313-336 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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