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AR-15 Individual 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.

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Items 1-24 of 177

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  1. PSA Custom AR-15 Lightweight Aluminum Castle Nut

    PSA Custom Lightweight Aluminum Castle Nut - 116018

    Rating:
    100%
    (4)
    $10.95
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  2. PSA Custom Anti-Walk Trigger and Hammer Pins in Stainless Steel

    PSA Custom Anti-Walk Trigger & Hammer Pins, Stainless Steel - 116000

    Rating:
    96%
    (72)
    $9.99
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  3. PSA Custom AR-15 Titanium Firing Pin

    PSA Custom AR-15 Titanium Firing Pin - 116002

    Rating:
    100%
    (19)
    $14.95
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  4. PSA AR-15 Trigger Pin

    PSA AR15 TRIGGER PIN -1324

    Rating:
    100%
    (1)
    $0.99
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  5. PSA A2 Complete Buffer

    PSA A2 Complete Buffer

    Rating:
    86%
    (4)
    $17.99
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  6. Neverwear Warthog AR15 Carbine Buffer Spring

    Neverwear Warthog AR15 Carbine Buffer Spring

    $19.99
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  7. FAB Defense Improved Mag-Well with Phalanx Mask Grip, FDE - FX-MOJO-PHAT

    FAB Defense Improved Mag-Well with Phalanx Mask Grip, FDE - FX-MOJO-PHAT

    $27.98
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  8. FAB Defense Mojo 5.56x45 Improved Mag-Well w/ Replaceable Grips, Flat Dark Earth - FX-MOJOT

    FAB Defense Mojo Improved Mag-Well w/ Replaceable Grips, Flat Dark Earth - FX-MOJOT

    $48.98
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  9. FAB Defense Mojo 5.56x45 Improved Mag-Well w/ Replaceable Grips, Black - FX-MOJOB

    FAB Defense Mojo 5.56x45 Improved Mag-Well w/ Replaceable Grips, Black - FX-MOJOB

    Rating:
    100%
    (1)
    $48.98
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  10. Armaspec Sound Mitigation "H3" Buffer - ARM158-H3

    Armaspec Sound Mitigation "H3" Buffer - ARM158-H3

    Rating:
    100%
    (1)
    Regular Price $43.99 Special Price $42.75
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  11. Armaspec Sound Mitigation AR-9 Buffer - ARM158-9

    Armaspec Sound Mitigation AR-9 Buffer - ARM158-9

    Rating:
    100%
    (1)
    $43.99
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  12. Armaspec Sound Mitigation "H2" Buffer - ARM158-H2

    Armaspec Sound Mitigation "H2" Buffer - ARM158-H2

    Rating:
    90%
    (2)
    Regular Price $43.99 Special Price $42.75
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  13. Armaspec Sound Mitigation "H" Buffer - ARM158-H

    Armaspec Sound Mitigation "H" Buffer - ARM158-H

    Rating:
    100%
    (1)
    $43.99
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  14. Odin Works Adjustable AR 9MM Buffer in Stainless Steel

    Odin Works Adjustable AR 9mm Buffer, Stainless Steel - OS-ABS-9MM

    Rating:
    40%
    (2)
    $60.80
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  15. Odin Works Adjustable AR-10 Buffer in Stainless Steel

    Odin Works Adjustable AR-10 Buffer, Stainless Steel - OS-ABS-AR10

    Rating:
    100%
    (1)
    $236.55
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  16. Odin Works Adjustable AR-15 Heavy Buffer in Stainless Steel

    Odin Works Adjustable AR-15 Heavy Buffer, Stainless Steel - OS-ABS-AR15-HVY

    $236.55
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  17. Odin Works Adjustable AR-15 Lite Buffer in Aluminum

    Odin Works Adjustable AR-15 Lite Buffer, Aluminum - OS-ABS-AR15-LITE

    $46.55
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  18. Timney Triggers Low Profile 98 Mauser Safety in Black

    Timney Triggers Low Profile 98 Mauser Safety, Black - 1001

    $53.99
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  19. Odin Works Ambidextrous Modular Safety Selector

    Odin Works Ambidextrous Modular Safety Selector, Various Colors - ACC-AMS

    Rating:
    100%
    (1)
    $46.55
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  20. SB Tactical SB-SAC Hypalon Soft Pouch in Black

    SB Tactical SB-SAC Hypalon Soft Pouch

    $35.96
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  21. Timber Creek AR-15 Extended Mag Release in Black

    Timber Creek AR Extended Mag Release - AR EMR

    Rating:
    80%
    (1)
    $15.99
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  22. Timber Creek AR Buffer Tube - AR BT

    Timber Creek AR Buffer Tube - AR BT

    Rating:
    100%
    (1)
    $31.99
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  23. Timber Creek Ambidextrous Safety Selector

    Timber Creek Ambidextrous Safety Selector - Ambi SS

    Rating:
    80%
    (6)
    $31.99
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  24. Armaspec Sound Mitigation Buffer

    Armaspec Sound Mitigation Buffer, Carbine - ARM158-C

    Rating:
    100%
    (2)
    $43.99
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Items 1-24 of 177

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  1. AR-15 Buffer Tube Assembly Parts 58
  2. Enhanced Parts 60
  3. Lower Receiver Assembly Parts 40
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