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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 841-864 of 1828

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  1. Magpul CTR/MOE Cheek Riser .50'' - Gray - MAG326-GRY

    Magpul CTR/MOE Cheek Riser .50'' - Gray - MAG326-GRY

    Regular Price $21.99 Special Price $18.99
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  2. 9MM Steel Body Buffer Assy - 482667

    9MM Steel Body Buffer Assy - 482667

    Rating:
    95%
    (4)
    $14.99
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  3. PSA PA10 Black Logo Buffer - 482663

    PSA PA10 Black Logo Buffer - 482663

    Rating:
    88%
    (5)
    $29.99
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  4. Enhanced AR Trigger for Semi-Automatic

    Wilson Combat Semi-Auto Two Stage Match Tactical Trigger - TR-TTU-M2

    Rating:
    90%
    (2)
    Regular Price $217.99 Special Price $195.99
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  5. Odin Works Extended Magazine Release, Red

    Odin Works Extended Mag Release, Red ‒ ACC-XMR-RED

    $19.99
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  6. Odin Works Extended Mag Release, Flat Dark Earth

    Odin Works Extended Mag Release, Flat Dark Earth ‒ ACC-XMR-FDE

    Rating:
    100%
    (3)
    Regular Price $24.99 Special Price $21.99
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  7. PSA PA10 .308 Bolt Catch - 503661

    PSA PA10 .308 Bolt Catch - 503661

    Rating:
    81%
    (30)
    $9.99
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  8. PSA PA10 .308 Take Down Pin - 482660

    PSA PA10 .308 Take Down Pin - 482660

    Rating:
    89%
    (9)
    $16.95
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  9. PSA PA10 Pivot Pin

    PSA PA10 Pivot Pin

    Rating:
    88%
    (8)
    $14.99
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  10. PSA PA10 .308 Weld Spring - 482658

    PSA PA10 .308 Weld Spring - 482658

    Rating:
    100%
    (1)
    $4.99
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  11. Hogue AR-15 Grip Kit with Buffer Tube and Hardware

    Hogue AR-15/M-16 Grip Kit- Includes Mil-Spec Buffer Tube and Hardware - Black

    $332.99
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  12. Wilson Combat Tactical Trigger Unit, Two Stage, Semi-Auto, Paul Howe Model - TR-TTU-H2

    Wilson Combat Tactical Trigger Unit, Two Stage, Semi-Auto, Paul Howe Model - TR-TTU-H2

    Rating:
    100%
    (1)
    Regular Price $217.99 Special Price $195.99
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  13. Wilson Combat Tactical Trigger Unit, 3-Gun, Semi-Auto - TR-TTU-3G

    Wilson Combat Tactical Trigger Unit, 3-Gun, Semi-Auto - TR-TTU-3G

    Rating:
    100%
    (1)
    $195.99
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  14. Palmetto State Armory AR-15 Pistol Buffer Tube Kit

    PSA AR-15 Pistol Buffer Tube Kit - 40433

    Rating:
    82%
    (41)
    $54.99
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  15. PSA AR-15 Trigger Guard Roll Pin

    PSA AR15 Trigger Guard Roll Pin

    Rating:
    95%
    (8)
    $0.99
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  16. KNS Precision Enhanced AR-15 M16 .250 Diameter Push Button Pivot Pin

    KNS Precision Enhanced AR15/M16 .250 Diameter Push Button Pivot Pin PBPIVOT250-EN

    Regular Price $29.99 Special Price $26.49
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  17. Geissele Super Tricon (Super T) Trigger

    Geissele Super Tricon (Super T) Trigger ‒ 05-230

    Rating:
    97%
    (7)
    Regular Price $278.99 Special Price $250.99
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  18. Geissele Super Dynamic Enhanced (SD-E) Trigger

    Geissele Super Dynamic Enhanced (SD-E) Trigger ‒ 05-167

    Rating:
    97%
    (29)
    Regular Price $278.99 Special Price $250.99
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  19. Geissele Super Dynamic Combat (SD-C) Trigger

    Geissele Super Dynamic Combat (SD-C) Trigger ‒ 05-165

    Rating:
    97%
    (14)
    Regular Price $273.99 Special Price $245.99
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  20. Geissele 2 Stage (G2S) Trigger

    Geissele 2 Stage (G2S) Trigger ‒ 05-145

    Rating:
    97%
    (127)
    Regular Price $195.99 Special Price $175.99
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  21. AR-15 Lower Parts

    B5 Systems Composite Trigger Guard - Coyote Brown PTG-003-01

    Rating:
    60%
    (2)
    Regular Price $8.99 Special Price $7.99
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  22. B5 Composite Trigger Guard AR-15 Lower Receiver Parts

    B5 Systems Composite Trigger Guard - Black PTG-001-01

    Rating:
    63%
    (12)
    Regular Price $8.99 Special Price $7.99
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  23. B5 Systems Trigger Guard - Flat Dark Earth ATG-002-01

    B5 Systems Trigger Guard - Flat Dark Earth ATG-002-01

    Rating:
    80%
    (5)
    Regular Price $11.99 Special Price $4.99
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  24. Seekins Precision Enhanced Bolt Catch

    Seekins Precision Enhanced Bolt Catch SP-BC

    Rating:
    100%
    (2)
    Regular Price $21.99 Special Price $18.99
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Items 841-864 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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