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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 217-240 of 1828

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  1. Maxim Defense Gen 2 JP Silent Captured Standard Buffer and Spring, Black

    Maxim Defense Gen 2 JP Silent Captured Standard Buffer and Spring, Black

    $151.99
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  2. FightLite MCR Extended Bolt Catch

    FightLite MCR Extended Bolt Catch

    $91.99
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  3. Geissele Hi-Speed National Match Large Pin Adjustable Trigger Set Two-Stage, Black

    Geissele Hi-Speed National Match Large Pin Adjustable Trigger Set Two-Stage, Black

    Regular Price $391.99 Special Price $355.99
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  4. Bravo Company 6-Position Receiver Extension, Black

    Bravo Company 6-Position Receiver Extension, Black

    Rating:
    100%
    (3)
    $38.99
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  5. KynSHOT Marksman Recoil Buffer

    KynSHOT Marksman Recoil Buffer

    Rating:
    100%
    (1)
    Regular Price $195.99 Special Price $175.99
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  6. KynSHOT Marksman Recoil Buffer

    KynSHOT Marksman Recoil Buffer

    Rating:
    90%
    (2)
    Regular Price $123.99 Special Price $111.99
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  7. KynSHOT Marksman Recoil Buffer

    KynSHOT Marksman Recoil Buffer

    Rating:
    100%
    (1)
    Regular Price $173.99 Special Price $155.99
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  8. KynSHOT Marksman Recoil Buffer

    KynSHOT Marksman Recoil Buffer

    Regular Price $173.99 Special Price $155.99
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  9. Geissele B-GC Competition Match Grade Trigger Single-Stage Drop-In, Black

    Geissele B-GC Competition Match Grade Trigger Single-Stage Drop-In, Black

    $205.99
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  10. WMD Guns NiB-X Semi-Disconnector, Silver

    WMD Guns NiB-X Semi-Disconnector, Silver

    Regular Price $17.99 Special Price $15.39
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  11. Doublestar Corp. 6-Position Mil-Spec Buffer Tube

    Doublestar Corp. 6-Position Mil-Spec Buffer Tube

    Regular Price $32.99 Special Price $28.99
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  12. Doublestar Corp. Replacement Foam Tube, Black

    Doublestar Corp. Replacement Foam Tube, Black

    Regular Price $7.99 Special Price $6.99
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  13. Next Level Armament - NLX556-Ambi CH, Ascend Safety, NLX-Mag button - NLX661

    Next Level Armament - NLX556-Ambi CH, Ascend Safety, NLX-Mag button - NLX661

    $105.00
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  14. Next Level Armament - Ascend Ambi Safety Selector - Titanium Core - ASC207

    Next Level Armament - Ascend Ambi Safety Selector - Titanium Core - ASC207

    $42.00
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  15. Next Level Armament - Ascend Extended Mag Release Button - Vertical - ASC204

    Next Level Armament - Ascend Extended Mag Release Button - Vertical - ASC204

    Rating:
    100%
    (1)
    $7.00
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  16. Next Level Armament - Ascend Extended Mag Release Button - Horizontal - ASC203

    Next Level Armament - Ascend Extended Mag Release Button - Horizontal - ASC203

    $7.00
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  17. Next Level Armament - Ascend Extended Mag Release Button - Checkered - ASC202

    Next Level Armament - Ascend Extended Mag Release Button - Checkered - ASC202

    $7.00
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  18. Next Level Armament - Ascend AR-15 Enhanced Take Down/Pivot Pin Set - ASC200

    Next Level Armament - Ascend AR-15 Enhanced Take Down/Pivot Pin Set - ASC200

    Rating:
    100%
    (2)
    Regular Price $34.99 Special Price $30.99
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  19. Wheeler 3/4" x 5/8" Muzzle Device and Buffer Tube Crowfoot Wrench, Black

    Wheeler 3/4" x 5/8" Muzzle Device and Buffer Tube Crowfoot Wrench, Black

    Regular Price $19.99 Special Price $17.99
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  20. Rise Armament RAVE 140 3.5 lb Flat Super Sporting Trigger Single-Stage Drop-In, Black

    Rise Armament RAVE 140 3.5 lb Flat Super Sporting Trigger Single-Stage Drop-In, Black

    Rating:
    95%
    (4)
    Regular Price $168.99 Special Price $152.99
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  21. Rise Armament Takedown and Pivot Pin, Black

    Rise Armament Takedown and Pivot Pin, Black

    Regular Price $32.99 Special Price $28.99
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  22. Primary Weapons Systems EBT Mod 2 End Plate and Ratchet Lock Castle Nut, Black

    Primary Weapons Systems EBT Mod 2 End Plate and Ratchet Lock Castle Nut, Black

    Rating:
    100%
    (1)
    Regular Price $43.99 Special Price $39.99
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  23. Luth-AR Field Repair Kit, Black

    Luth-AR Field Repair Kit, Black

    Rating:
    40%
    (1)
    Regular Price $32.99 Special Price $28.99
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  24. KNS Precision Inc AR/MCX Stock Adapter w/o Flange Fits Sig Sauer MCX, Black

    KNS Precision Inc AR/MCX Stock Adapter w/o Flange Fits Sig Sauer MCX, Black

    Rating:
    100%
    (1)
    Regular Price $63.99 Special Price $57.99
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Items 217-240 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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