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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 265-288 of 1828

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  1. Battle Arms Development Enhanced Pivot and Takedown Pin Set

    Battle Arms Development Enhanced Pivot and Takedown Pin Set

    Rating:
    40%
    (1)
    Regular Price $33.99 Special Price $29.99
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  2. Battle Arms Development Investment Cast Enhanced Bolt Catch, Black

    Battle Arms Development Investment Cast Enhanced Bolt Catch, Black

    Rating:
    100%
    (2)
    Regular Price $15.99 Special Price $13.99
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  3. Phase 5 Oversized Magazine Release Button, Black

    Phase 5 Oversized Magazine Release Button, Black

    Rating:
    100%
    (2)
    Regular Price $20.99 Special Price $18.99
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  4. BCM QD End Plate, Black

    BCM QD End Plate, Black

    Rating:
    100%
    (7)
    Regular Price $16.99 Special Price $14.99
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  5. Tango Down Vickers Tactical Extended Magazine Release, Tan

    Tango Down Vickers Tactical Extended Magazine Release, Tan

    Regular Price $24.99 Special Price $21.69
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  6. Phase 5 90-deg Ambidextrous Safety Selector, Red

    Phase 5 90-deg Ambidextrous Safety Selector, Red

    Rating:
    80%
    (1)
    Regular Price $50.99 Special Price $45.99
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  7. B5 Systems SRK Extension Kit, Black - SRK - 1660

    B5 Systems SRK Extension Kit, Black - SRK - 1660

    Regular Price $143.99 Special Price $128.99
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  8. CMMG - Zeroed AR15 Bolt Catch Kit - 55AFF19

    CMMG - Zeroed AR15 Bolt Catch Kit - 55AFF19

    Rating:
    100%
    (2)
    Regular Price $17.99 Special Price $15.69
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  9. CMMG - Zeroed Drop-In Trigger - 55CA7FB

    CMMG - Zeroed Drop-In Trigger - 55CA7FB

    $183.99
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  10. CMMG - Zeroed 60/90 Ambi-Safety Selector - 55AFF4D

    CMMG - Zeroed 60/90 Ambi-Safety Selector - 55AFF4D

    Rating:
    40%
    (1)
    Regular Price $40.99 Special Price $36.89
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  11. Sylvan Arms - AR15/AR9 Folding Stock Adapter, Gen 5, Right Side Folding, Steel Pro Model - SA5P-R

    Sylvan Arms - AR15/AR9 Folding Stock Adapter, Gen 5, Right Side Folding, Steel Pro Model - SA5P-R

    Rating:
    100%
    (5)
    Regular Price $211.99 Special Price $190.99
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  12. Midwest Industries Trigger Curved Single-Stage Drop-In Anti Walk Pin, Black/Blue

    Midwest Industries Trigger Curved Single-Stage Drop-In Anti Walk Pin, Black/Blue

    Regular Price $210.99 Special Price $189.99
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  13. Aero Precision Carbine Buffer Tube, Black

    Aero Precision Carbine Buffer Tube, Black

    Rating:
    100%
    (1)
    Regular Price $41.99 Special Price $37.79
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  14. TacFire Heavy Buffer, Black

    TacFire Heavy Buffer, Black

    Rating:
    100%
    (2)
    Regular Price $12.99 Special Price $10.99
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  15. CMMG Cam Pin Fits MK4, Black

    CMMG Cam Pin Fits MK4, Black

    Regular Price $7.99 Special Price $7.19
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  16. RAB-AD PIC RAIL (Rapid Attach Buttstock Adapter for Pic Rail)

    RAB-AD PIC RAIL (Rapid Attach Buttstock Adapter for Pic Rail)

    Regular Price $156.99 Special Price $140.99
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  17. RAB-AD MINI (Rapid Attach Buttstock Adapter Mini)

    RAB-AD MINI (Rapid Attach Buttstock Adapter Mini)

    Regular Price $155.99 Special Price $140.99
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  18. Timber Creek - Greyman Quick Disconnect Steel End Plate, Black - G ST EP BL

    Timber Creek - Greyman Quick Disconnect Steel End Plate, Black - G ST EP BL

    Regular Price $27.99 Special Price $24.99
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  19. Timber Creek - Greyman Ambi Safety Selector, Black - G AMBI SS BL

    Timber Creek - Greyman Ambi Safety Selector, Black - G AMBI SS BL

    Rating:
    100%
    (1)
    Regular Price $45.99 Special Price $40.99
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  20. TriggerTech 45/90-deg Short Throw Safety Selector in Black - Precision Safety Selector for Enhanced Firearm Performance - ARS-SNB-49-YCM

    TriggerTech 45/90-deg Short Throw Safety Selector in Black - Precision Safety Selector for Enhanced Firearm Performance - ARS-SNB-49-YCM

    Regular Price $78.99 Special Price $70.99
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  21. Rise Armament Single-Stage Flat Trigger and Lower Parts Kit, Black - Enhanced Trigger Performance - T017F-12003

    Rise Armament Single-Stage Flat Trigger and Lower Parts Kit, Black - Enhanced Trigger Performance - T017F-12003

    Rating:
    100%
    (1)
    Regular Price $156.99 Special Price $140.99
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  22. Samson Manufacturing The BRE Bufferless Receiver Extension, Black - Lightweight and Stable - 04-06143-01

    Samson Manufacturing The BRE Bufferless Receiver Extension, Black - Lightweight and Stable - 04-06143-01

    Rating:
    20%
    (1)
    Regular Price $220.99 Special Price $198.99
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  23. Rise Armament Single-Stage Curved Trigger and Lower Parts Kit, Black - Precision and Reliability - T017-12003

    Rise Armament Single-Stage Curved Trigger and Lower Parts Kit, Black - Precision and Reliability - T017-12003

    Rating:
    100%
    (3)
    Regular Price $156.99 Special Price $140.99
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  24. Radian Weapons Talon 45/90-deg - GI Safety Selector in OD Green - Enhanced Safety Selector with Military-Grade Reliability - R0383

    Radian Weapons Talon 45/90-deg - GI Safety Selector in OD Green - Enhanced Safety Selector with Military-Grade Reliability - R0383

    $44.99
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Items 265-288 of 1828

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  1. Buffer Tube Assembly Parts 493
  2. Enhanced Parts 398
  3. Lower Receiver Assembly Parts 896
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