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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 793-816 of 1828

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  1. Strike Industries Strike Selector Switch, Black

    Strike Industries Strike Selector Switch, Black ‒ SI-AR-S-SS-BK

    $59.95
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  2. Strike Industries Flip Switch, Flat Dark Earth

    Strike Industries Flip Switch, Flat Dark Earth ‒ SI-AR-SS-FLIP-FDE

    $41.95
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  3. Strike Industries Flip Switch, Blue

    Strike Industries Flip Switch, Blue ‒ SI-AR-SS-FLIP-BLU

    $41.99
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  4. Strike Industries Flip Switch, Black

    Strike Industries Flip Switch, Black ‒ SI-AR-SS-FLIP-BK

    Rating:
    87%
    (3)
    Regular Price $44.99 Special Price $39.99
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  5. AR-15 Trigger Hammer Pin (Pack of 2)

    Trigger/Hammer Pin - Pack of 2

    Rating:
    100%
    (8)
    $2.99
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  6. Armaspec Titanium Takedown Pivot Pins with EZ-Set

    Armaspec Titanium Takedown/Pivot Pins with EZ-Set ‒ ARM145-TI

    Rating:
    100%
    (3)
    $26.99
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  7. Strike Industries Fang Polymer Trigger Guard, Black - SI-COBRA-FANG-BK

    Strike Industries Fang Polymer Trigger Guard, Black - SI-COBRA-FANG-BK

    Rating:
    100%
    (2)
    Regular Price $13.99 Special Price $11.99
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  8. Strike Industries Strike AR Magazine Catch Assembly, Red

    Strike Industries Strike AR Magazine Catch Assembly, Red – SI-AR-SMC-RED

    Regular Price $23.99 Special Price $20.99
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  9. Strike Industries HEX Selector Switch 60/90 Degree 3-in-1, Black

    Strike Industries HEX Selector Switch 60/90 Degree 3-in-1, Black – SI-AR-HS60/90-3in1

    Rating:
    90%
    (2)
    Regular Price $51.99 Special Price $37.99
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  10. Strike Industries Strike AR Magazine Catch Assembly, Flat Dark Earth

    Strike Industries Strike AR Magazine Catch Assembly, Flat Dark Earth – SI-AR-SMC-FDE

    Rating:
    100%
    (2)
    $18.95
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  11. Strike Industries Strike AR Magazine Catch Assembly, Blue

    Strike Industries Strike AR Magazine Catch Assembly, Blue – SI-AR-SMC-BLU

    Regular Price $21.99 Special Price $18.99
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  12. Strike Industries Strike AR Magazine Catch Assembly, Black

    Strike Industries Strike AR Magazine Catch Assembly, Black – SI-AR-SMC-BK

    Rating:
    100%
    (2)
    Regular Price $18.99 Special Price $16.99
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  13. Strike Industries AR-15 Extended Pivot/Takedown Pins, Black

    Strike Industries AR-15 Extended Pivot/Takedown Pins, Black – SI-AR-EPTP-BK

    Rating:
    85%
    (4)
    Regular Price $16.99 Special Price $14.99
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  14. Strike Industries Enhanced Bolt Catch, Black

    Strike Industries Enhanced Bolt Catch, Black – SI-AR-EBC

    Rating:
    96%
    (15)
    Regular Price $16.99 Special Price $14.99
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  15. Single Stage AR Curved Trigger

    CMC AR9mm Single Stage 3.5 lb Curved Trigger - 95501

    Rating:
    93%
    (12)
    $194.99
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  16. CMC Triggers AR-15 Match Grade Two Stage Flat Trigger 1LB/3LB, Matte Black

    CMC Triggers AR-15 Match Grade Two-Stage Flat Trigger, Matte Black (1LB/3LB) - 91504

    Rating:
    100%
    (3)
    $224.99
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  17. CMC Triggers AR-15 Match Grade Two Stage Curved Trigger 1LB/3LB, Matte Black

    CMC Triggers AR-15 Match Grade Two Stage Curved Trigger 1LB/3LB, Matte Black - 91502

    Rating:
    100%
    (3)
    $234.99
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  18. Armaspec ST45: 45 Degree Short Throw Ambidextrous Safety Selector, Flat Dark Earth

    Armaspec ST45: 45 Degree Short Throw Ambidextrous Safety Selector, Flat Dark Earth - ARM112-FDE

    Rating:
    100%
    (1)
    Regular Price $41.99 Special Price $36.99
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  19. Armaspec ST45: 45 Degree Short Throw Ambidextrous Safety Selector, Black

    Armaspec ST45: 45 Degree Short Throw Ambidextrous Safety Selector, Black - ARM112-BLK

    Rating:
    95%
    (4)
    Regular Price $41.99 Special Price $36.99
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  20. geissele maritime bolt catch angle 3

    Geissele Maritime Bolt Catch - 08-153

    Rating:
    98%
    (52)
    Regular Price $35.99 Special Price $31.99
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  21. Geissele Super Speed Precision (SSP) Dynamic Flat Bow Trigger

    Geissele Super Speed Precision (SSP) Dynamic Flat Bow Trigger ‒ 05-483

    Rating:
    93%
    (17)
    Regular Price $278.99 Special Price $250.99
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  22. Geissele Super Speed Precision (SSP) M4 Curved Bow Trigger

    Geissele Super Speed Precision (SSP) M4 Curved Bow Trigger ‒ 05-400

    Rating:
    99%
    (23)
    Regular Price $278.99 Special Price $250.99
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  23. Geissele AR15/M4 Reaction Block (Mil-Spec Buffer Tube Only)

    Geissele AR15/M4 Reaction Block (Mil-Spec Buffer Tube Only) ‒ 05-314

    Rating:
    100%
    (1)
    $204.00
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  24. Armaspec FT90 Full Throw Ambidextrous Safety Selector, Black

    Armaspec FT90 Full Throw Ambidextrous Safety Selector, Black ‒ ARM111-BLK

    Rating:
    70%
    (2)
    Regular Price $41.99 Special Price $36.99
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Items 793-816 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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