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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 529-552 of 1833

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  1. LBE Unlimited AR-15 Mil-Spec Buffer Tube Kit, Red - MILBUFKT-RED

    LBE Unlimited AR-15 Mil-Spec Buffer Tube Kit, Red - MILBUFKT-RED

    Rating:
    100%
    (2)
    Regular Price $51.99 Special Price $46.39
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  2. LBE Unlimited Mil-Spec AR-15 Buffer Tube, Black - MBUF002

    LBE Unlimited Mil-Spec AR-15 Buffer Tube, Black - MBUF002

    Rating:
    100%
    (2)
    Regular Price $25.99 Special Price $22.99
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  3. LBE Unlimited Mil-Spec AR-15 Buffer Tube Kit, Black - MILBUFKT

    LBE Unlimited Mil-Spec AR-15 Buffer Tube Kit, Black - MILBUFKT

    Rating:
    95%
    (4)
    Regular Price $51.99 Special Price $46.39
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  4. LBE Unlimited AR-15 Milspec Buffer Tube, Brown - MBUF002-WB

    LBE Unlimited AR-15 Milspec Buffer Tube, Brown - MBUF002-WB

    Rating:
    100%
    (3)
    Regular Price $23.99 Special Price $21.29
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  5. LBE Unlimited AR-15 Milspec Buffer Tube, Red - MBUF002-RED

    LBE Unlimited AR-15 Milspec Buffer Tube, Red - MBUF002-RED

    Rating:
    100%
    (1)
    Regular Price $23.99 Special Price $21.29
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  6. LBE Unlimited AR-15 Milspec Buffer Tube, Colt Gray - MBUF002-CG

    LBE Unlimited AR-15 Milspec Buffer Tube, Colt Gray - MBUF002-CG

    Rating:
    100%
    (2)
    Regular Price $23.99 Special Price $21.29
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  7. LBE Unlimited AR-15 Trigger Spring, 20/Pack - LBARTS20PK

    LBE Unlimited AR-15 Trigger Spring, 20/Pack - LBARTS20PK

    Regular Price $11.99 Special Price $10.09
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  8. LBE Unlimited AR-15 8620 Steel Trigger, Black - ARTRIG

    LBE Unlimited AR-15 8620 Steel Trigger, Black - ARTRIG

    Rating:
    80%
    (1)
    Regular Price $14.99 Special Price $12.99
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  9. LBE Unlimited AR-15 Mil-Spec Fire Control Group, Black - ARTRGRP

    LBE Unlimited AR-15 Mil-Spec Fire Control Group, Black - ARTRGRP

    Rating:
    65%
    (4)
    Regular Price $34.99 Special Price $31.39
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  10. LBE Unlimited AR-15 Takedown And Pivot Pin Set - ARTDPP

    LBE Unlimited AR-15 Takedown And Pivot Pin Set - ARTDPP

    Rating:
    100%
    (7)
    Regular Price $9.99 Special Price $8.99
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  11. LBE Unlimited AR-15 Take Down Detent Spring, 10 Pack - ARTDDS

    LBE Unlimited AR-15 Take Down Detent Spring, 10 Pack - ARTDDS

    Regular Price $17.99 Special Price $16.09
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  12. LBE Unlimited AR-15 Take Down Detent, 10 Pack - ARTDD

    LBE Unlimited AR-15 Take Down Detent, 10 Pack - ARTDD

    Rating:
    100%
    (1)
    Regular Price $17.99 Special Price $16.09
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  13. LBE Unlimited AR-15 Carbine Length Recoil Spring - ARSPRG

    LBE Unlimited AR-15 Carbine Length Recoil Spring - ARSPRG

    Rating:
    100%
    (1)
    Regular Price $3.99 Special Price $3.09
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  14. LBE Unlimited AR-15 Selector Detent Spring, Pack of 20 - ARSLSPG20PK

    LBE Unlimited AR-15 Selector Detent Spring, Pack of 20 - ARSLSPG20PK

    Rating:
    100%
    (1)
    Regular Price $11.99 Special Price $10.29
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  15. LBE Unlimited AR-15 Steel Selector Detent, Pack of 20 - ARSLDT20PK

    LBE Unlimited AR-15 Steel Selector Detent, Pack of 20 - ARSLDT20PK

    Rating:
    100%
    (2)
    Regular Price $10.99 Special Price $9.89
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  16. LBE Unlimited AR-15 Slector Assembly, Black - ARSLASY

    LBE Unlimited AR-15 Slector Assembly, Black - ARSLASY

    Rating:
    100%
    (7)
    Regular Price $11.99 Special Price $10.09
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  17. LBE Unlimited AR 308 Rifle Length Buffer Spring, Black - ARSG308R

    LBE Unlimited AR 308 Rifle Length Buffer Spring, Black - ARSG308R

    Rating:
    100%
    (2)
    Regular Price $12.99 Special Price $10.99
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  18. LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY

    LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY

    Rating:
    98%
    (9)
    Regular Price $6.99 Special Price $5.99
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  19. LBE Unlimited AR-15 Magazine Release, Black - ARMAGBUT

    LBE Unlimited AR-15 Magazine Release, Black - ARMAGBUT

    Regular Price $2.99 Special Price $2.19
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  20. LBE Unlimited Manganese Phosphate Coated AR-15 End Plate, Black - ARLPLT

    LBE Unlimited Manganese Phosphate Coated AR-15 End Plate, Black - ARLPLT

    Rating:
    90%
    (4)
    Regular Price $7.99 Special Price $6.39
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  21. LBE Unlimited AR-15 Hammer/Trigger Pin, Pack of 20 - ARHTPN20K

    LBE Unlimited AR-15 Hammer/Trigger Pin, Pack of 20 - ARHTPN20K

    Regular Price $9.99 Special Price $8.69
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  22. LBE Unlimited AR-15 Hammer Spring, Pack of 20 - ARHS20PK

    LBE Unlimited AR-15 Hammer Spring, Pack of 20 - ARHS20PK

    Regular Price $11.99 Special Price $10.79
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  23. LBE Unlimited AR-15 Disconnector Spring, Pack of 20 - ARDS20PK

    LBE Unlimited AR-15 Disconnector Spring, Pack of 20 - ARDS20PK

    Rating:
    100%
    (1)
    Regular Price $9.99 Special Price $8.99
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  24. LBE Unlimited AR-15/M16 BCG Cam Pin, Black - ARCPN

    LBE Unlimited AR-15/M16 BCG Cam Pin, Black - ARCPN

    Rating:
    100%
    (1)
    Regular Price $4.99 Special Price $4.09
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Items 529-552 of 1833

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  1. Buffer Tube Assembly Parts 494
  2. Enhanced Parts 380
  3. Lower Receiver Assembly Parts 897
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