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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 194

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  1. Palmetto State Armory AR-15 Buffer Tube Kit Assembly

    PSA AR15 7075 Buffer Tube Assembly - Logo - 508022

    Rating:
    98%
    (38)
    Regular Price $49.99 Special Price $44.99
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  2. Sylvan Arms Gen. 3 1-3/16-16 Folding Stock Adapter for AR-15 Style Rifle - ARH300

    Sylvan Arms Gen. 3 1-3/16-16 Folding Stock Adapter for AR-15 Style Rifle - ARH300

    Rating:
    90%
    (171)
    Regular Price $199.99 Special Price $149.99
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  3. PSA Custom Anti-Walk Trigger and Hammer Pins in Stainless Steel

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

    Rating:
    93%
    (137)
    $9.99
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  4. PSA AR-15 Takedown Pin Detent (Pack of 2)

    PSA AR15 Takedown Pin Detent - Pack of 2 - 516445327

    Rating:
    100%
    (18)
    $1.49
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  5. PSA Custom AR-15 Lightweight Aluminum Castle Nut

    PSA Custom Lightweight Aluminum Castle Nut - 116018

    Rating:
    99%
    (15)
    $10.95
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  6. PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    Rating:
    96%
    (18)
    $22.95
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  7. PSA Custom AR-15 Fluted Carbine Buffer Tube, Black - 778128

    PSA Custom AR-15 Fluted Carbine Buffer Tube, Black - 778128

    Rating:
    86%
    (44)
    $32.99
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  8. PSA Custom AR-15 Titanium Buffer Retainer - 116023

    PSA Custom AR-15 Titanium Buffer Retainer - 116023

    Rating:
    92%
    (12)
    $5.95
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  9. PSA Custom AR-15 Enhanced Titanium Trigger Pins

    PSA Custom AR Enhanced Titanium Trigger Pins - 116011

    Rating:
    98%
    (9)
    $6.95
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  10. PSA Custom Lightweight Skeletonized Bolt Catch

    PSA Custom Lightweight Skeletonized Bolt Catch - 116017

    Rating:
    85%
    (12)
    $13.95
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  11. Armaspec B2 Extended Mag Release in Flat Dark Earth

    Armaspec B2 Extended Mag Release, Flat Dark Earth - ARM107-FDE

    Rating:
    85%
    (4)
    $21.99
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  12. PSA Freedom Complete 6 Position Mil-Spec Diameter Buffer Tube Assembly

    PSA Freedom Complete 6 Position Mil-Spec Diameter Buffer Tube Assembly - 6200

    Rating:
    96%
    (32)
    $40.99
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  13. Timber Creek AR-15 Ambi Safety Selector, Orange

    Timber Creek AR-15 Ambi Safety Selector, Orange - AMBI SS OA

    $31.99
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  14. Timney Triggers Low Profile 98 Mauser Safety in Black

    Timney Triggers Low Profile 98 Mauser Safety, Black - 1001

    Regular Price $69.99 Special Price $49.99
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  15. Armaspec Sound Mitigation "H" Buffer - ARM158-H

    Armaspec Sound Mitigation "H" Buffer - ARM158-H

    Rating:
    87%
    (3)
    $43.99
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  16. Armaspec Titanium Takedown Pivot Pins with EZ-Set

    Armaspec Titanium Takedown/Pivot Pins with EZ-Set ‒ ARM145-TI

    $27.99
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  17. PSA AR-15 Ambidextrous Safety Selector

    PSA AR15 Ambi Safety Selector - 506779

    Rating:
    95%
    (44)
    $19.99
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  18. PSA AR-15 Hammer

    OEM PSA Freedom AR15 Hammer, semi auto

    Rating:
    100%
    (7)
    $8.99
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  19. PSA AR-15 Bolt Catch Assembly

    PSA AR15 Bolt Catch Assembly

    Rating:
    95%
    (13)
    $8.49
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  20. Timber Creek AR-15 Takedown Pin Set, Orange

    Timber Creek AR-15 Takedown Pin Set, Orange - AR TPS OA

    $15.99
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  21. Adaptive Tactical Grip, FDE - AT-01900-E

    Adaptive Tactical Lightweight Tactical Grip FDE- AT-01900-E

    $16.99
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  22. PSA AR-15 Safety Selector - Semi

    PSA AR15 Safety Selector - Semi - 8703

    Rating:
    93%
    (9)
    $11.99
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  23. Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Magpul ASAP-QD - Ambidextrous Sling Attachment Point - MAG529

    Rating:
    90%
    (10)
    $28.45
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  24. PSA AR-15 Magazine Catch

    PSA AR15 Magazine Catch

    Rating:
    98%
    (11)
    $3.99
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Items 1-24 of 194

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  1. Federal .308 168GR Ammo
    Federal 308 168gr Sierra MatchKing BTHP Gold Medal Ammunition 20rds - GM308M
    Rating:
    96%
    (180)
    Regular Price $49.99 Special Price $29.99 $1.50
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  2. Vortex Strikefire II Red Dot (4MOA Red/Green Dot) - SF-RG-501
    Vortex Strikefire II Red Dot (4MOA Red/Green Dot) - SF-RG-501
    Rating:
    94%
    (853)
    Regular Price $269.99 Special Price $199.99
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  3. PSA 16" 5.56 NATO 1:7 Midlength Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set
    PSA 16" 5.56 NATO 1:7 Midlength Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set
    Rating:
    92%
    (225)
    Regular Price $859.99 Special Price $479.99
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  4. PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448807
    PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448807
    Rating:
    94%
    (326)
    Regular Price $899.99 Special Price $499.99
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  5. ar-15 pistol kit
    PSA 10.5" 5.56 NATO 1/7" Nitride MOE EPT Shockwave Pistol Kit, Black - 5165449862
    Rating:
    96%
    (42)
    Regular Price $579.99 Special Price $409.99
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  6. PSAK-47 GF3 Forged "MOEkov" Rifle, Gray
    PSA AK-47 GF3 Forged "MOEkov" Rifle, Gray
    Rating:
    95%
    (112)
    $749.99
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  7. PSA 10.5" Carbine-Length 5.56 NATO 1/7" Nitride Classic SBA4 Pistol Kit
    PSA 10.5" Carbine-Length 5.56 NATO 1/7" Nitride Classic SBA4 Pistol Kit
    Rating:
    93%
    (30)
    Regular Price $719.99 Special Price $419.99
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  8. Ruger EC9s 9mm Pistol, FDE - 3297
    Ruger EC9s 9mm Pistol, FDE - 3297
    Rating:
    100%
    (1)
    Regular Price $399.99 Special Price $269.99
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  9. Springfield Hellcat Micro-Compact 9mm Pistol, FDE
    Springfield Hellcat Micro-Compact 9mm Pistol, FDE - HC9319F
    Rating:
    88%
    (17)
    Regular Price $649.99 Special Price $529.99
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  10. Holosun 507C Open Reflex Sight - HS507C-X2
    Holosun HS507C X2 Red Open Reflex Sight 2MOA/32MOA Circle
    Rating:
    80%
    (7)
    Regular Price $399.99 Special Price $309.99
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  11. JX49221M Beretta Cx4 Storm 9mm Carbine
    Beretta Cx4 Storm 92 9mm PCC Rifle, Blk - JX49221M
    Rating:
    87%
    (3)
    Regular Price $999.99 Special Price $599.99
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  12. Springfield XDM Elite Compact OSP 9mm Pistol, Black
    Springfield XDM Elite Compact OSP 9mm Pistol, Black - XDME9389CBHCOSP
    Rating:
    100%
    (1)
    Regular Price $699.99 Special Price $499.99
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  13. BLEM PSA 16" Mid-length 5.56 NATO 1/7 Phosphate 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/MBUS Sight Set
    BLEM PSA 16" Mid-length 5.56 NATO 1/7 Phosphate 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/MBUS Sight Set
    Regular Price $849.99 Special Price $499.99
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  14. PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle Kit with Vortex Strikefire II Optic & Rear Mbus
    PSA 16" M4 Carbine Length 5.56 NATO 1:7 Nitride Freedom Rifle Kit with Vortex Strikefire II Optic & Rear Mbus
    Rating:
    96%
    (5)
    Regular Price $749.99 Special Price $489.99
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  1. Buffer Tube Assembly Parts 64
  2. Enhanced Parts 62
  3. Lower Receiver Assembly Parts 44
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