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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 97-120 of 1828

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  1. JP Enterprises Standard Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    JP Enterprises Standard Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    Regular Price $205.99 Special Price $184.99
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  2. JP Enterprises Standard Buffer Gen 2 Silent Captured Spring

    JP Enterprises Standard Buffer Gen 2 Silent Captured Spring

    Rating:
    100%
    (1)
    Regular Price $147.99 Special Price $132.99
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  3. JP Enterprises H2 Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    JP Enterprises H2 Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    Regular Price $243.99 Special Price $218.99
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  4. JP Enterprises H2 Buffer Gen 2 Silent Captured Spring

    JP Enterprises H2 Buffer Gen 2 Silent Captured Spring

    Rating:
    100%
    (2)
    Regular Price $209.99 Special Price $188.99
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  5. JP Enterprises Standard Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    JP Enterprises Standard Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

    Rating:
    100%
    (2)
    $185.99
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  6. JP Enterprises Standard Buffer Gen 2 Silent Captured Spring

    JP Enterprises Standard Buffer Gen 2 Silent Captured Spring

    Rating:
    100%
    (4)
    Regular Price $147.99 Special Price $132.99
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  7. JP Enterprises 5-Piece Alternate Spring Pack

    JP Enterprises 5-Piece Alternate Spring Pack

    $41.99
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  8. JP Enterprises Tuned and Polished Buffer Spring

    JP Enterprises Tuned and Polished Buffer Spring

    $23.99
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  9. JP Enterprises Tuned and Polished Buffer Spring

    JP Enterprises Tuned and Polished Buffer Spring

    Regular Price $23.99 Special Price $20.99
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  10. JP Enterprises Tuned and Polished Buffer Spring

    JP Enterprises Tuned and Polished Buffer Spring

    Regular Price $23.99 Special Price $20.99
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  11. JP Enterprises Low Mass Recoil Buffer, Red

    JP Enterprises Low Mass Recoil Buffer, Red

    Regular Price $63.99 Special Price $56.99
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  12. JP Enterprises Enhanced Reliability Spring Kit, Yellow/Red

    JP Enterprises Enhanced Reliability Spring Kit, Yellow/Red

    Rating:
    92%
    (5)
    $12.99
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  13. JP Enterprises Adjustable/Reversible Selector, Black

    JP Enterprises Adjustable/Reversible Selector, Black

    Regular Price $84.99 Special Price $75.99
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  14. JP Enterprises CMP Service Rifle Spring Kit, Silver

    JP Enterprises CMP Service Rifle Spring Kit, Silver

    Regular Price $12.99 Special Price $10.99
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  15. JP Enterprises Reduced Power Spring Kit, Yellow

    JP Enterprises Reduced Power Spring Kit, Yellow

    Rating:
    100%
    (6)
    Regular Price $14.99 Special Price $12.79
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  16. Primary Weapons Systems H2 Enhanced Carbine Buffer, Black

    Primary Weapons Systems H2 Enhanced Carbine Buffer, Black

    Regular Price $99.99 Special Price $89.99
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  17. Timney Triggers Trigger Two-Stage Drop-In

    Timney Triggers Trigger Two-Stage Drop-In

    Rating:
    100%
    (1)
    $299.99
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  18. JP Enterprises Enhanced Carbine Buttstock Lock Plate w/QD Attachment, Black

    JP Enterprises Enhanced Carbine Buttstock Lock Plate w/QD Attachment, Black

    Regular Price $38.99 Special Price $34.99
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  19. JP Enterprises Enhanced Carbine Buttstock Castle Nut, Black

    JP Enterprises Enhanced Carbine Buttstock Castle Nut, Black

    Regular Price $17.99 Special Price $15.99
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  20. Tyrant Designs CNC NexGen 45/90 Ambidextrous Safety Selector, Red

    Tyrant Designs CNC NexGen 45/90 Ambidextrous Safety Selector, Red

    Regular Price $51.99 Special Price $45.99
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  21. Tyrant Designs CNC NexGen 45/90 Ambidextrous Safety Selector, Black

    Tyrant Designs CNC NexGen 45/90 Ambidextrous Safety Selector, Black

    Regular Price $51.99 Special Price $45.99
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  22. Tyrant Designs CNC Enhanced Takedown Pin, Gold

    Tyrant Designs CNC Enhanced Takedown Pin, Gold

    Regular Price $31.99 Special Price $27.99
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  23. Stern Defense RAB-AD Mini Buttstock Adapter, Black

    Stern Defense RAB-AD Mini Buttstock Adapter, Black

    Regular Price $82.99 Special Price $73.99
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  24. Stern Defense RAB-AD Buttstock Adapter Male Assembly, Black

    Stern Defense RAB-AD Buttstock Adapter Male Assembly, Black

    $71.99
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Items 97-120 of 1828

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  1. Buffer Tube Assembly Parts 492
  2. Enhanced Parts 398
  3. Lower Receiver Assembly Parts 896
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