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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 1-24 of 1831

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  1. Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    SAVE $29.99 When you add both!
    Regular Price $149.98 Special Price $119.99
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  2. CMC AR15/AR10 Single Stage Trigger - Curved, Small Pin, 3.5lb pull - 91501-BLK-PSA   

    CMC AR15/AR10 Single Stage Trigger - Curved, Small Pin, 3.5lb pull - 91501-BLK-PSA   

    Regular Price $159.99 Special Price $89.99
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  3. Franklin Armory BFSIII AR-Essential Curved Binary Trigger Multi Cal - 00-50633-BLK

    Franklin Armory BFSIII AR-Essential Curved Binary Trigger Multi Cal - 00-50633-BLK

    Rating:
    98%
    (181)
    Regular Price $349.99 Special Price $169.99
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  4. Franklin Armory Trigger BFSIII AR-Elite Curved/Flat Trigger - 00-50631-BLK

    Franklin Armory Trigger BFSIII AR-Elite Curved/Flat Trigger - 00-50631-BLK

    Rating:
    97%
    (12)
    Regular Price $449.99 Special Price $269.99
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  5. CMC Single Stage Combat Curved AR-15 Match Trigger, Black

    CMC Single Stage Combat Curved AR-15 Match Trigger, Black - 91701

    Rating:
    100%
    (6)
    $199.99
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  6. CMC Triggers Single-Stage Drop-in Small Pin Curved Trigger for Mil-Spec AR-15, AR-10 Style Rifles, Black - 90501

    CMC Triggers Single-Stage Drop-in Small Pin Curved Trigger for Mil-Spec AR-15, AR-10 Style Rifles, Black - 90501

    Rating:
    95%
    (49)
    Regular Price $199.99 Special Price $129.99
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  7. PSA Custom AR 3.5 lbs. Match Grade Drop-In Trigger, Flat - 116055

    PSA Custom AR Trigger Single-Stage Flat Drop-In Match Grade - 116055

    Rating:
    96%
    (2395)
    Regular Price $149.99 Special Price $79.99
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  8. CMC AR-15 Enhanced Trigger in Matte Black (3.5LB)

    CMC Triggers AR-15 Tactical Single Stage Curved Trigger, Matte Black (3.5lb) - 91501

    Rating:
    96%
    (342)
    Regular Price $199.99 Special Price $129.99
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  9. Rise Armament Blitz Defense AR 4.5lbs Trigger - RA-524-Defense

    Rise Armament Blitz Defense AR 4.5lbs Trigger - RA-524-Defense

    Rating:
    90%
    (2)
    Regular Price $234.99 Special Price $210.99
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  10. Trigger Tech Duty Flat AR-15 Two Stage Trigger, Black - AH0-TDB-33-NNF

    Trigger Tech Duty Flat AR-15 Two Stage Trigger, Black - AH0-TDB-33-NNF

    Rating:
    96%
    (10)
    Regular Price $156.99 Special Price $140.99
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  11. TriggerTech Duty Curved Trigger Fits AR15

    TriggerTech Duty Curved Trigger Fits AR15 - AH0-TDB-33-NNC

    Rating:
    96%
    (5)
    Regular Price $156.99 Special Price $140.99
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  12. TriggerTech AR-15 Duty Curved Single-Stage 3.50 lbs Trigger - AH0-SDB-33-NNC

    TriggerTech AR-15 Duty Curved Single-Stage 3.50 lbs Trigger - AH0-SDB-33-NNC

    Rating:
    100%
    (14)
    Regular Price $156.99 Special Price $140.99
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  13. TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    Rating:
    100%
    (5)
    $361.99
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  14. TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    Regular Price $284.99 Special Price $255.99
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  15. Timney Impact AR Trigger Curved 3lb

    Timney Impact AR Trigger Curved 3lb, Black - IMPACT-AR

    Rating:
    92%
    (58)
    Regular Price $150.99 Special Price $135.99
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  16. Timney Triggers IMPACT 3-4lb Straight AR Trigger | Black

    Timney Triggers IMPACT 3-4lb Straight AR Trigger, Black - IMPACT-AR-ST

    Rating:
    99%
    (15)
    Regular Price $150.99 Special Price $135.99
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  17. Rise Armament The Patriot Single-Stage AR Trigger Drop-In Straight - RA-13FOLDS-PT

    Rise Armament The Patriot Single-Stage AR Trigger Drop-In Straight - RA-13FOLDS-PT

    Rating:
    98%
    (8)
    Regular Price $200.99 Special Price $180.99
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  18. Blackhawk! AR-15 Ambidextrous Offset Safety Selector, Black Aluminum - 711SS04BK

    Blackhawk! AR-15 Ambidextrous Offset Safety Selector, Black Aluminum - 711SS04BK

    Regular Price $30.99 Special Price $27.69
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  19. Law Tactical - Gen-S AR Folding Stock Adapter - 99329

    Law Tactical - Gen-S AR Folding Stock Adapter - 99329

    $269.99
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  20. KDG FN SCAR STOCK - SCP5-MK2-201

    KDG FN SCAR STOCK - SCP5-MK2-201

    Regular Price $396.99 Special Price $356.99
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  21. RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-BR

    RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-BR

    Rating:
    100%
    (1)
    Regular Price $300.99 Special Price $270.99
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  22. RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-BB

    RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-BB

    Rating:
    100%
    (1)
    Regular Price $300.99 Special Price $270.99
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  23. RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-SR

    RISE Armament Rev 535 Slide-and-Snap AR Trigger - T35-SR

    Regular Price $300.99 Special Price $270.99
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  24. Franklin Armory BFSIII AR-Elite Trigger Curved/Flat Crimson Red - 00-50631-CRM

    Franklin Armory BFSIII AR-Elite Trigger Curved/Flat Crimson Red - 00-50631-CRM

    Rating:
    100%
    (10)
    Regular Price $399.99 Special Price $249.99
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Items 1-24 of 1831

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  1. Buffer Tube Assembly Parts 490
  2. Enhanced Parts 397
  3. Lower Receiver Assembly Parts 896
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