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AR-15 Individual 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.

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Items 1-24 of 249

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  1. Sylvan Arms Gen. 3 1-3/16-16 Folding Stock Adapter for AR-15 Style Rifle - ARH300

    Sylvan Arms Gen. 3 1-3/16-16 Folding Stock Adapter for AR-15 Style Rifle - ARH300

    Rating:
    90%
    (171)
    Regular Price $236.59 Special Price $168.99
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  2. Rise Armament Anti Walk Pins

    Rise Armament Anti Walk Pins -12005

    Regular Price $19.99 Special Price $10.99
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  3. PSA Custom AR-15 Lightweight Aluminum Castle Nut

    PSA Custom Lightweight Aluminum Castle Nut - 116018

    Rating:
    99%
    (15)
    Regular Price $10.95 Special Price $9.85
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  4. PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    Rating:
    96%
    (18)
    $22.95
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  5. Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Rating:
    90%
    (10)
    Regular Price $40.59 Special Price $28.99
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  6. AR-15 Trigger Hammer Pin (Pack of 2)

    Trigger/Hammer Pin - Pack of 2

    Rating:
    100%
    (6)
    $2.99
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  7. PSA AR-15 Trigger Guard Roll Pin

    PSA AR15 Trigger Guard Roll Pin

    Rating:
    96%
    (10)
    $0.99
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  8. PSA Custom AR-15 Enhanced Titanium Trigger Pins

    PSA Custom AR Enhanced Titanium Trigger Pins - 116011

    Rating:
    98%
    (9)
    Regular Price $6.95 Special Price $6.25
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  9. PSA Custom AR-15 2-Piece Extended Magazine Release Button, Black - 116022

    PSA Custom AR-15 2-Piece Extended Magazine Release Button, Black - 116022

    Rating:
    83%
    (21)
    $9.95
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  10. PSA Custom Lightweight Skeletonized Bolt Catch

    PSA Custom Lightweight Skeletonized Bolt Catch - 116017

    Rating:
    85%
    (12)
    Regular Price $13.95 Special Price $12.49
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  11. geissele maritime bolt catch angle 3

    Geissele Maritime Bolt Catch - 08-153

    Rating:
    98%
    (23)
    Regular Price $43.39 Special Price $30.99
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  12. PSA AR15 Pistol Buffer Tube - 516444934

    PSA AR15 Pistol Buffer Tube - 516444934

    Rating:
    70%
    (4)
    $29.99
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  13. Geissele Super 42 Braided Wire Buffer and Spring Combo

    Geissele Super 42 Braided Wire Buffer & Spring Combo - 05-495

    Rating:
    88%
    (13)
    Regular Price $100.79 Special Price $71.99
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  14. PSA AR-15 Trigger Spring

    PSA AR15 Trigger Spring - 1337

    $1.99
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  15. POF Ambidextrous Selector Switch

    POF Ambidextrous Selector Switch - 00666

    Rating:
    100%
    (8)
    Regular Price $48.99 Special Price $34.99
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  16. CMMG AR-15 Carbine Buffer Assembly

    CMMG AR-15 Carbine Buffer Assembly - 55CA977

    Rating:
    100%
    (9)
    Regular Price $29.39 Special Price $20.99
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  17. CMMG AR-15 Carbine Action Buffer Spring

    CMMG AR-15 Carbine Action Buffer Spring - 55CA9A2

    Rating:
    90%
    (10)
    Regular Price $8.39 Special Price $5.99
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  18. Seekins Precision SP Safety Selector Kit in Black

    Seekins Precision SP Safety Selector Kit (Black) - - 0011580002

    Rating:
    100%
    (2)
    Regular Price $74.19 Special Price $52.99
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  19. Timber Creek AR-15 Quick Disconnect End Plate Accessory in Black

    Timber Creek AR Quick Disconnect End Plate, Black - QD EP

    Rating:
    70%
    (2)
    Regular Price $22.39 Special Price $15.99
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  20. TROY OEM M4 Sling Mount in Black

    Troy OEM M4 Sling Mount Black - SMOU-M4S-00BT-00

    Rating:
    80%
    (1)
    $60.19
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  21. B5 Systems Type 23 AR-15 P-Grip in Black

    B5 Systems Type 23 P-Grip AR Pistol Grip-Black-PGR-001-01

    Rating:
    85%
    (4)
    Regular Price $26.59 Special Price $18.99
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  22. Seekins Precision SP Safety Selector Kit (Flat Dark Earth) - - 0011580006

    Seekins Precision SP Safety Selector Kit (Flat Dark Earth) - - 0011580006

    Rating:
    90%
    (4)
    Regular Price $74.19 Special Price $52.99
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  23. Adaptive Tactical EX Stock, FDE - AT-02012-E

    Adaptive Tactical EX Stock, FDE - AT-02012-E

    Regular Price $72.79 Special Price $51.99
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  24. Armaspec Titanium Takedown Pivot Pins with EZ-Set

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

    $33.59
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Items 1-24 of 249

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  1. Buffer Tube Assembly Parts 68
  2. Enhanced Parts 102
  3. Lower Receiver Assembly Parts 43
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