Menu
Close
Search
Search Log In Help Center
View Cart
Daily Deals
Clearance
Close
Daily Deals
Clearance
My Account
Help Center

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
View as Grid View List View

Items 1-24 of 1828

Page
Set Descending Direction
  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
    Add to Wish List Add to Compare
  2. CMC AR15/AR10 Single Stage Trigger - Flat, Small Pin, 3.5lb pull - 91503-BLK-PSA

    CMC AR15/AR10 Single Stage Trigger - Flat, Small Pin, 3.5lb pull - 91503-BLK-PSA

    Rating:
    100%
    (5)
    Regular Price $159.99 Special Price $99.99
    Add to Wish List Add to Compare
  3. 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 $99.99
    Add to Wish List Add to Compare
  4. 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%
    (166)
    Regular Price $349.99 Special Price $179.99
    Add to Wish List Add to Compare
  5. 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:
    98%
    (11)
    Regular Price $449.99 Special Price $269.99
    Add to Wish List Add to Compare
  6. 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
    Add to Wish List Add to Compare
  7. 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%
    (48)
    Regular Price $199.99 Special Price $129.99
    Add to Wish List Add to Compare
  8. 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%
    (2374)
    Regular Price $149.99 Special Price $89.99
    Add to Wish List Add to Compare
  9. 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%
    (339)
    Regular Price $199.99 Special Price $129.99
    Add to Wish List Add to Compare
  10. 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
    Add to Wish List Add to Compare
  11. 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
    Add to Wish List Add to Compare
  12. 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
    Add to Wish List Add to Compare
  13. 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
    Add to Wish List Add to Compare
  14. TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    TriggerTech AR15 Single-Stage Diamond Pro Curved Trigger

    Rating:
    100%
    (5)
    $361.99
    Add to Wish List Add to Compare
  15. TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    TriggerTech AR15 Single-Stage Competitive Pro Curved Trigger

    Regular Price $284.99 Special Price $255.99
    Add to Wish List Add to Compare
  16. Timney Impact AR Trigger Curved 3lb

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

    Rating:
    92%
    (58)
    $134.99
    Add to Wish List Add to Compare
  17. 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
    Add to Wish List Add to Compare
  18. 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
    Add to Wish List Add to Compare
  19. CMMG Buffer Retainer

    CMMG Buffer Retainer

    Regular Price $2.99 Special Price $2.29
    Add to Wish List Add to Compare
  20. Odin Works XGMR-1 Extended Glock Mag Release, Black

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

    Regular Price $36.99 Special Price $32.99
    Add to Wish List Add to Compare
  21. KDG FN SCAR STOCK - SCP5-MK2-201

    KDG FN SCAR STOCK - SCP5-MK2-201

    Regular Price $396.99 Special Price $356.99
    Add to Wish List Add to Compare
  22. 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
    Add to Wish List Add to Compare
  23. 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
    Add to Wish List Add to Compare
  24. 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
    Add to Wish List Add to Compare
View as Grid View List View

Items 1-24 of 1828

Page
Set Descending Direction
Shop By
Shopping Options
Category
  1. Buffer Tube Assembly Parts 493
  2. Enhanced Parts 402
  3. Lower Receiver Assembly Parts 896
Stock
Clearance
Preferred Vendor
Caliber
Brand
Price
Apply

Looking for something more specific?

shop psa products
shop psa aac ammo
shop magpul products
shop glock products
shop sig sauer
shop smith and wesson