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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 577-600 of 1828

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  1. LBE Unlimited AR-15 Bolt Kit, Black - ARBLTKT

    LBE Unlimited AR-15 Bolt Kit, Black - ARBLTKT

    Regular Price $73.99 Special Price $65.99
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  2. LBE Unlimited .308 AR Rifle Length Buffer - ARBF308R

    LBE Unlimited .308 AR Rifle Length Buffer - ARBF308R

    Rating:
    100%
    (3)
    Regular Price $21.99 Special Price $19.09
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  3. LBE Unlimited AR-15 Bolt Catch Plunger, Pack of 20 - ARBCPL20PK

    LBE Unlimited AR-15 Bolt Catch Plunger, Pack of 20 - ARBCPL20PK

    Rating:
    100%
    (1)
    Regular Price $9.99 Special Price $8.69
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  4. LBE Unlimited AR-15 Bolt Catch Assembly, Black - ARBCASY

    LBE Unlimited AR-15 Bolt Catch Assembly, Black - ARBCASY

    Rating:
    100%
    (1)
    Regular Price $7.99 Special Price $6.69
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  5. LBE Unlimited AR-15 Ambidextrous End Plate, Black - ARAMEPL

    LBE Unlimited AR-15 Ambidextrous End Plate, Black - ARAMEPL

    Rating:
    93%
    (11)
    Regular Price $7.99 Special Price $6.59
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  6. LBE Unlimited Aluminum AR-15 Trigger Guard, Black - AR15TG

    LBE Unlimited Aluminum AR-15 Trigger Guard, Black - AR15TG

    Rating:
    100%
    (5)
    Regular Price $5.99 Special Price $4.59
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  7. LanTac USA CP-R360-H 7.62x51/.308 Cam Pin, Brass - 01-UP-762-CPH

    LanTac USA CP-R360-H 7.62x51/.308 Cam Pin, Brass - 01-UP-762-CPH

    Regular Price $32.99 Special Price $28.99
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  8. LanTac CP-R360 5.56 NATO AR-15 Cam Pin, Brass - 01-UP-556-CP

    LanTac CP-R360 5.56 NATO AR-15 Cam Pin, Brass - 01-UP-556-CP

    Rating:
    100%
    (1)
    Regular Price $32.99 Special Price $28.99
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  9. LanTac UPS-S Ultimate AR-15 Takedown Pin Set, Black Nitride - 01-LP-UPS

    LanTac UPS-S Ultimate AR-15 Takedown Pin Set, Black Nitride - 01-LP-UPS

    Regular Price $41.99 Special Price $36.99
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  10. CMMG 9mm Carbine Buffer For AR Rifles, Black - 90CA9B4

    CMMG 9mm Carbine Buffer For AR Rifles, Black - 90CA9B4

    Rating:
    20%
    (1)
    Regular Price $28.99 Special Price $25.39
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  11. Bravo Company Teflon Trigger Assembly Fits AR-15, Polished Nickel Finish - BCM-PNT-TA1

    Bravo Company Teflon Trigger Assembly Fits AR-15, Polished Nickel Finish - BCM-PNT-TA1

    Rating:
    100%
    (1)
    Regular Price $73.99 Special Price $65.99
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  12. Battle Arms Development Enhanced Bolt Catch For PCC 9MM, Black - BAD-EBC-9MM

    Battle Arms Development Enhanced Bolt Catch For PCC 9MM, Black - BAD-EBC-9MM

    Rating:
    60%
    (2)
    Regular Price $44.99 Special Price $39.99
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  13. Battle Arms Developmen Enhanced Bolt Catch, Billet Steel w/ Black Oxide - 100-800-008

    Battle Arms Developmen Enhanced Bolt Catch, Billet Steel w/ Black Oxide - 100-800-008

    Regular Price $45.99 Special Price $40.99
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  14. Battle Arms Development Enhanced Pin Set For LR-308/SR-25/AR308 Rifles, Black - BAD-EPS-308

    Battle Arms Development Enhanced Pin Set For LR-308/SR-25/AR308 Rifles, Black - BAD-EPS-308

    Regular Price $38.99 Special Price $34.99
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  15. Battle Arms Development Titanium Enhanced Pin Set, Black - 100-800-001

    Battle Arms Development Titanium Enhanced Pin Set, Black - 100-800-001

    Regular Price $44.99 Special Price $39.99
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  16. Battle Arms Development Enhanced Magazine Release Kit, Black - 100-025-395

    Battle Arms Development Enhanced Magazine Release Kit, Black - 100-025-395

    Rating:
    100%
    (2)
    Regular Price $35.99 Special Price $31.99
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  17. Battle Arms Development Enhanced Magazine Release Kit, Black - 100-025-394

    Battle Arms Development Enhanced Magazine Release Kit, Black - 100-025-394

    Rating:
    100%
    (2)
    Regular Price $18.99 Special Price $16.99
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  18. Battle Arms Development Enhanced Safety Selector, Black - 100-025-390

    Battle Arms Development Enhanced Safety Selector, Black - 100-025-390

    Rating:
    90%
    (4)
    Regular Price $17.99 Special Price $15.99
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  19. Battle Arms Development Enhanced Magazine Catch, Black - 100-025-391

    Battle Arms Development Enhanced Magazine Catch, Black - 100-025-391

    Rating:
    100%
    (1)
    Regular Price $9.99 Special Price $8.99
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  20. Battle Arms Development Enhanced Modular Magazine Release, Large, Red - 100-018-321

    Battle Arms Development Enhanced Modular Magazine Release, Large, Red - 100-018-321

    Rating:
    100%
    (1)
    $21.95
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  21. Battle Arms Development Enhanced Modular Magazine Release, Large, Black - 100-018-319

    Battle Arms Development Enhanced Modular Magazine Release, Large, Black - 100-018-319

    Rating:
    73%
    (3)
    Regular Price $26.99 Special Price $23.99
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  22. Battle Arms Development Enhanced Pin Set Kit For AR Rifles - 100-015-185

    Battle Arms Development Enhanced Pin Set Kit For AR Rifles - 100-015-185

    Regular Price $55.99 Special Price $49.99
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  23. B5 Systems Trigger Guard, Flat Dark Earth - ATG-1103

    B5 Systems Trigger Guard, Flat Dark Earth - ATG-1103

    Regular Price $23.99 Special Price $20.99
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  24. Rise Armament Anti Walk Pins -12005

    Rise Armament Anti Walk Pins -12005

    Rating:
    100%
    (15)
    Regular Price $17.99 Special Price $15.99
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Items 577-600 of 1828

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  1. Buffer Tube Assembly Parts 491
  2. Enhanced Parts 403
  3. Lower Receiver Assembly Parts 896
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