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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 481-504 of 1828

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  1. Leapers UTG UTG PRO AR Pistol Receiver Extension Tube Matte, Black - TLU008

    Leapers UTG UTG PRO AR Pistol Receiver Extension Tube Matte, Black - TLU008

    Regular Price $34.99 Special Price $30.99
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  2. Leapers UTG UTG PRO Receiver Extension Tube 6 Position Mil-Spec, FDE - TLU001D

    Leapers UTG UTG PRO Receiver Extension Tube 6 Position Mil-Spec, FDE - TLU001D

    Rating:
    100%
    (4)
    Regular Price $41.99 Special Price $37.99
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  3. Leapers UTG AR15 Quick Detachable Receiver End Plate, Black - TL-T6TD03

    Leapers UTG AR15 Quick Detachable Receiver End Plate, Black - TL-T6TD03

    Rating:
    92%
    (5)
    Regular Price $17.99 Special Price $15.99
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  4. Leapers UTG Receiver Wedge, Red - RB-A005

    Leapers UTG Receiver Wedge, Red - RB-A005

    Rating:
    93%
    (19)
    $1.99
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  5. TriggerTech AR-15 Two Stage Flat Trigger, 3.5LB Pull Weight - AR0-TBB-33-NNF

    TriggerTech AR-15 Two Stage Flat Trigger, 3.5LB Pull Weight - AR0-TBB-33-NNF

    $254.99
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  6. TriggerTech AR-15 Comp Curved Two Stage Trigger 3.5LB Pull Weight - AR0-TBB-33-NNC

    TriggerTech AR-15 Comp Curved Two Stage Trigger 3.5LB Pull Weight - AR0-TBB-33-NNC

    $254.99
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  7. TPS Arms AR-15 Safety Selector, Black - AR1033

    TPS Arms AR-15 Safety Selector, Black - AR1033

    Rating:
    100%
    (2)
    Regular Price $8.99 Special Price $7.99
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  8. TPS Arms AR-15 Quick Repair Kit - AR-2004

    TPS Arms AR-15 Quick Repair Kit - AR-2004

    Rating:
    99%
    (14)
    Regular Price $9.99 Special Price $8.99
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  9. TPS Arms AR-15 Mag Catch Assembly, Black - AR-1031

    TPS Arms AR-15 Mag Catch Assembly, Black - AR-1031

    Rating:
    100%
    (2)
    Regular Price $9.99 Special Price $8.99
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  10. Spike's Tactical AR Rifle Buffer Tube Assembly - SLA500R-K

    Spike's Tactical AR Rifle Buffer Tube Assembly - SLA500R-K

    Rating:
    100%
    (1)
    Regular Price $94.99 Special Price $85.99
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  11. Spike's Tactical Billet Trigger Guard Gen II, Black - SLA0102

    Spike's Tactical Billet Trigger Guard Gen II, Black - SLA0102

    Rating:
    100%
    (3)
    Regular Price $29.99 Special Price $26.99
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  12. Luth-AR Takedown Pin Detent w/ Spring, 10 Pack - LR-15A-10

    Luth-AR Takedown Pin Detent w/ Spring, 10 Pack - LR-15A-10

    Rating:
    100%
    (6)
    Regular Price $22.99 Special Price $19.99
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  13. Luth-AR Oversized Bolt Catch For AR15 Rifles, Black - LR-11L

    Luth-AR Oversized Bolt Catch For AR15 Rifles, Black - LR-11L

    Rating:
    100%
    (2)
    $20.69
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  14. Luth-AR Oversized AR-15 Safety Selector, Black - LR-08L

    Luth-AR Oversized AR-15 Safety Selector, Black - LR-08L

    Regular Price $21.99 Special Price $18.99
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  15. Luth-AR Ambi Safety Selector For AR15 Rifles, Black - LR-08B

    Luth-AR Ambi Safety Selector For AR15 Rifles, Black - LR-08B

    Rating:
    100%
    (5)
    Regular Price $31.99 Special Price $27.99
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  16. Luth-AR Buffer Retainer w/ Spring 10 Pack - LR-01A-10

    Luth-AR Buffer Retainer w/ Spring 10 Pack - LR-01A-10

    Rating:
    100%
    (4)
    Regular Price $28.99 Special Price $25.99
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  17. Luth-AR Carbine Lock Ring Castle Nut - CS-02

    Luth-AR Carbine Lock Ring Castle Nut - CS-02

    Rating:
    100%
    (1)
    Regular Price $5.99 Special Price $4.99
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  18. Luth-AR Carbine Latch Plate for AR-10/AR-15 - LR-308 CS-01

    Luth-AR Carbine Latch Plate for AR-10/AR-15 - LR-308 CS-01

    Rating:
    100%
    (1)
    $3.75
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  19. Luth-AR Mil-Spec AR-15 Buffer Tube, Black - LBS-15M

    Luth-AR Mil-Spec AR-15 Buffer Tube, Black - LBS-15M

    Rating:
    100%
    (2)
    Regular Price $27.99 Special Price $24.99
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  20. Luth-AR Carbine Buffer - BS-11C

    Luth-AR Carbine Buffer - BS-11C

    Rating:
    100%
    (1)
    Regular Price $16.99 Special Price $14.99
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  21. Luth-AR Rifle Buffer - BS-11

    Luth-AR Rifle Buffer - BS-11

    Regular Price $24.99 Special Price $21.99
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  22. Luth-AR Rifle Buffer Spring, .223/5.56 A2 Rifle Length Receiver Ext - BS-10B

    Luth-AR Rifle Buffer Spring, .223/5.56 A2 Rifle Length Receiver Ext - BS-10B

    Regular Price $5.99 Special Price $4.99
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  23. Luth-AR Carbine Buffer Spring, .223/5.56 - BS-10A

    Luth-AR Carbine Buffer Spring, .223/5.56 - BS-10A

    $4.69
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  24. Luth-AR .223/.308 Rifle Buttstock Extension Tube, A2, Black - LBS-09

    Luth-AR .223/.308 Rifle Buttstock Extension Tube, A2, Black - LBS-09

    Regular Price $35.99 Special Price $31.99
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Items 481-504 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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