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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.

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Items 1-24 of 247

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  1. Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Rating:
    96%
    (13)
    $28.45
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  2. PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    Rating:
    96%
    (20)
    $22.95
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  3. AR-15 Trigger Hammer Pin (Pack of 2)

    Trigger/Hammer Pin - Pack of 2

    Rating:
    100%
    (8)
    $2.99
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  4. geissele maritime bolt catch angle 3

    Geissele Maritime Bolt Catch - 08-153

    Rating:
    98%
    (29)
    Regular Price $39.99 Special Price $19.99
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  5. Rise Armament Anti Walk Pins -12005

    Rise Armament Anti Walk Pins -12005

    $20.99
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  6. Geissele Super 42 Braided Wire Buffer and Spring Combo

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

    Rating:
    90%
    (15)
    Regular Price $98.99 Special Price $72.99
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  7. PSA AR-15 Trigger Guard Roll Pin

    PSA AR15 Trigger Guard Roll Pin

    Rating:
    96%
    (11)
    $0.99
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  8. POF Ambidextrous Selector Switch

    POF Ambidextrous Selector Switch - 00666

    Rating:
    100%
    (12)
    Regular Price $44.99 Special Price $32.99
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  9. PSA Custom AR-15 Enhanced Titanium Trigger Pins

    PSA Custom AR Enhanced Titanium Trigger Pins - 116011

    Rating:
    96%
    (12)
    Regular Price $6.95 Special Price $6.25
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  10. CMMG AR-15 Lower Receiver Extension Kit

    CMMG AR-15 Receiver Extension Kit, Carbine - 55CA6C7

    Rating:
    100%
    (5)
    Regular Price $87.99 Special Price $55.99
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  11. CMMG AR-15 Carbine Buffer Assembly

    CMMG AR-15 Carbine Buffer Assembly - 55CA977

    Rating:
    100%
    (10)
    Regular Price $21.99 Special Price $16.99
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  12. PSA Custom Lightweight Skeletonized Bolt Catch

    PSA Custom Lightweight Skeletonized Bolt Catch - 116017

    Rating:
    88%
    (14)
    Regular Price $13.95 Special Price $12.49
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  13. CMMG AR-15 Carbine Action Buffer Spring

    CMMG AR-15 Carbine Action Buffer Spring - 55CA9A2

    Rating:
    90%
    (10)
    Regular Price $7.99 Special Price $5.29
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  14. PSA AR15 Pistol Buffer Tube - 516444934

    PSA AR15 Pistol Buffer Tube - 516444934

    Rating:
    76%
    (5)
    $29.99
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  15. Seekins Precision SP Safety Selector Kit in Black

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

    Rating:
    100%
    (2)
    Regular Price $81.99 Special Price $59.99
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  16. PSA AR-15 Trigger Spring

    PSA AR15 Trigger Spring - 1337

    Rating:
    100%
    (1)
    $1.99
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  17. AR-15 Lower Receiver Parts

    Seekins Precision Billet Trigger Guard SP-BTG

    Rating:
    80%
    (1)
    Regular Price $31.99 Special Price $19.99
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  18. Armaspec B2 Extended Mag Release in Black

    Armaspec B2 Extended Mag Release, Black - ARM107-BLK

    Rating:
    96%
    (12)
    Regular Price $25.99 Special Price $19.79
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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)
    $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)
    Regular Price $47.99 Special Price $37.99
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  21. Timber Creek Flat Dark Earth AR-15 Takedown Pin Set

    Timber Creek Flat Dark Earth AR Takedown Pin Set - AR TP

    Rating:
    90%
    (2)
    $15.99
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  22. B5 Systems Type 23 AR-15 P-Grip in Black

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

    Rating:
    88%
    (5)
    Regular Price $27.99 Special Price $19.99
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  23. PSA A2 Stock Screw

    PSA A2 Stock screw- - -9349128

    Rating:
    100%
    (3)
    $3.99
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  24. Seekins Precision SP Safety Selector Kit (Flat Dark Earth) - - 0011580006

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

    Rating:
    90%
    (4)
    $59.99
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Items 1-24 of 247

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  1. Buffer Tube Assembly Parts 67
  2. Enhanced Parts 101
  3. Lower Receiver Assembly Parts 43
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