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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 175

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  1. PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    Rating:
    100%
    (8)
    $19.95
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  2. PSA Custom AR-15 2-Piece Extended Magazine Release Button, Black - 116022

    PSA Custom AR-15 2-Piece Extended Magazine Release Button, Black - 116022

    Rating:
    84%
    (11)
    $9.95
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  3. PSA Custom AR-15 Lightweight Aluminum Castle Nut

    PSA Custom Lightweight Aluminum Castle Nut - 116018

    Rating:
    100%
    (8)
    $10.95
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  4. PSA Custom Lightweight Skeletonized Bolt Catch

    PSA Custom Lightweight Skeletonized Bolt Catch - 116017

    Rating:
    84%
    (9)
    $13.95
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  5. PSA Custom Anti-Walk Trigger and Hammer Pins in Stainless Steel

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

    Rating:
    96%
    (89)
    $9.99
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  6. PSA Custom AR-15 Enhanced Titanium Trigger Pins

    PSA Custom AR Enhanced Titanium Trigger Pins - 116011

    Rating:
    98%
    (7)
    $6.95
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  7. AR-15 Trigger Hammer Pin (Pack of 2)

    Trigger/Hammer Pin - Pack of 2

    Rating:
    100%
    (2)
    $2.99
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  8. PSA AR-15 Trigger Spring

    PSA AR15 Trigger Spring - 1337

    $1.99
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  9. PSA AR-15 Bolt Catch

    PSA AR15 Bolt Catch

    Rating:
    88%
    (7)
    $5.99
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  10. PSA AR-15 Safety Selector - Semi

    PSA AR15 Safety Selector - Semi - 8703

    Rating:
    92%
    (8)
    $11.99
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  11. PSA AR-15 Trigger Pin

    PSA AR15 TRIGGER PIN -1324

    Rating:
    100%
    (2)
    $0.99
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  12. PSA AR-15 Uncoated Trigger Spring

    PSA AR15 Uncoated Trigger Spring

    Rating:
    80%
    (2)
    $1.99
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  13. PSA AR-15 H Buffer

    PSA AR15 H Buffer

    Rating:
    98%
    (21)
    $22.95
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  14. 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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  15. 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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  16. CMMG AR-15 Carbine Action Buffer Spring

    CMMG AR-15 Carbine Action Buffer Spring - 55CA9A2

    Rating:
    100%
    (4)
    $4.09
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  17. Timney Triggers Low Profile 98 Mauser Safety in Black

    Timney Triggers Low Profile 98 Mauser Safety, Black - 1001

    Regular Price $53.99 Special Price $49.99
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  18. 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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  19. SB Tactical SB-SAC Hypalon Soft Pouch in Black

    SB Tactical SB-SAC Hypalon Soft Pouch

    $35.96
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  20. 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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  21. Timber Creek AR Buffer Tube - AR BT

    Timber Creek AR Buffer Tube - AR BT

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

    Timber Creek Ambidextrous Safety Selector - Ambi SS

    Rating:
    84%
    (9)
    $31.99
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  23. Timber Creek AR-15 Takedown Pin Set in Red

    Timber Creek Red AR Takedown Pin Set - AR TPS RED

    Rating:
    20%
    (2)
    $15.99
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  24. Strike Industries AR-15 Shift Pins, Black

    Strike Industries AR-15 Shift Pins

    Rating:
    94%
    (3)
    $19.95
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Items 1-24 of 175

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  1. AR-15 Buffer Tube Assembly Parts 57
  2. AR-15 Enhanced Parts 59
  3. AR-15 Lower Receiver Assembly Parts 40
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