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AR-15 Lower Parts

Shop AR-15 lower parts for your next repair, upgrade, or custom build. Choose from triggers, pistol grips, safety selectors, pins, springs, controls, and other compatible lower receiver components. Browse quality parts from trusted manufacturers, or shop our full selection of AR-15 lowers to complete your build.

Anti Walk Pins

Anti Walk Pins
Grips

Grips
Individual Lower Parts

Individual Lower Parts
Lower Accessories

Lower Accessories
Lower Build Kits

Lower Build Kits
Lower Parts Kits

Lower Parts Kits
Magazines

Magazines
Repair Kits

Repair Kits
Safety Selectors

Safety Selectors
Stocks

Stocks
Stock Kits

Stock Kits
Triggers

Triggers
Upgrade Kits

Upgrade Kits
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Items 1825-1848 of 3966

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  1. Wilson Combat 1911 Tactical Magazine Release, Blue - 31T

    Wilson Combat 1911 Tactical Magazine Release, Blue - 31T

    Rating:
    100%
    (1)
    Regular Price $28.99 Special Price $25.99
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  2. Wilson Combat 1911 Oversized Magazine Release, Stainless Steel - 405S

    Wilson Combat 1911 Oversized Magazine Release, Stainless Steel - 405S

    Regular Price $47.99 Special Price $42.99
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  3. Wilson Combat 1911 Extended Magazine Release, Blue - 31B

    Wilson Combat 1911 Extended Magazine Release, Blue - 31B

    Rating:
    100%
    (1)
    Regular Price $39.99 Special Price $35.59
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  4. Magpul MIAD GEN 1.1 Grip Kit Type 2 - Gray

    Magpul MIAD GEN 1.1 Grip Kit – AR15/M4 - Gray - MAG521-GRY

    $37.95
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  5. Magpul MIAD GEN 1.1 Grip Kit, Gray (AR15/M4)- Mag520-GRY

    Magpul MIAD GEN 1.1 Grip Kit, Gray (AR15/M4)- Mag520-GRY

    Rating:
    80%
    (1)
    Regular Price $47.99 Special Price $37.99
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  6. Wilson Combat 1911 Extended Magazine Release, Stainless

    Wilson Combat 1911 Extended Magazine Release, Stainless - 31S

    Regular Price $47.99 Special Price $42.99
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  7. B5 Systems Type 23 AR-15 P-Grip in OD Green

    B5 Systems P-Grip 23 OD Green PGR?005?01

    Rating:
    100%
    (4)
    Regular Price $22.99 Special Price $19.99
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  8. B5 Systems Type 23 AR-15 P-Grip in Black

    B5 Systems Type 23 P-Grip AR Pistol Grip-Black-PGR-001-01

    Rating:
    95%
    (12)
    Regular Price $22.99 Special Price $19.99
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  9. Palmetto State Armory AR-15 Pistol Buffer Tube Kit

    PSA AR-15 Pistol Buffer Tube Kit - 40433

    Rating:
    82%
    (41)
    $54.99
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  10. PSA AR-15 Trigger Guard Roll Pin

    PSA AR15 Trigger Guard Roll Pin

    Rating:
    96%
    (9)
    $0.99
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  11. Geissele Super Tricon (Super T) Trigger

    Geissele Super Tricon (Super T) Trigger ‒ 05-230

    Rating:
    97%
    (7)
    Regular Price $278.99 Special Price $250.99
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  12. Geissele Super Dynamic Enhanced (SD-E) Trigger

    Geissele Super Dynamic Enhanced (SD-E) Trigger ‒ 05-167

    Rating:
    96%
    (33)
    Regular Price $278.99 Special Price $250.99
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  13. Geissele Super Dynamic Combat (SD-C) Trigger

    Geissele Super Dynamic Combat (SD-C) Trigger ‒ 05-165

    Rating:
    97%
    (14)
    Regular Price $273.99 Special Price $245.99
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  14. Geissele 2 Stage (G2S) Trigger

    Geissele 2 Stage (G2S) Trigger ‒ 05-145

    Rating:
    97%
    (136)
    Regular Price $195.99 Special Price $175.99
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  15. AR-15 Lower Parts

    B5 Systems Composite Trigger Guard - Coyote Brown PTG-003-01

    Rating:
    60%
    (2)
    Regular Price $8.99 Special Price $7.99
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  16. B5 Composite Trigger Guard AR-15 Lower Receiver Parts

    B5 Systems Composite Trigger Guard - Black PTG-001-01

    Rating:
    63%
    (12)
    Regular Price $8.99 Special Price $7.99
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  17. B5 Systems Trigger Guard - Flat Dark Earth ATG-002-01

    B5 Systems Trigger Guard - Flat Dark Earth ATG-002-01

    Rating:
    80%
    (5)
    Regular Price $11.99 Special Price $4.99
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  18. B5 Systems AR-15 P-Grip 23 - Multicam PGR-010-01

    B5 Systems P-Grip 23 - Multicam PGR-010-01

    Rating:
    96%
    (5)
    Regular Price $31.99 Special Price $27.99
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  19. Wolf Grey B5 Systems SOPMOD Bravo AR Stock

    B5 Systems Bravo Stock, Wolf Grey

    Rating:
    100%
    (4)
    Regular Price $64.99 Special Price $57.99
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  20. OD Green B5 Systems SOPMOD Bravo Stock

    B5 Systems Bravo Stock, ODG

    Rating:
    100%
    (4)
    Regular Price $64.99 Special Price $57.99
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  21. B5 Systems Enhanced SOPMOD Ar-15 Stock

    B5 Systems Enhanced SOPMOD Stock - Multicam SOP-210-01

    Regular Price $135.99 Special Price $121.99
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  22. B5 Systems Enhanced SOPMOD AR-15 Stock in Wolf Gray

    B5 Systems Enhanced SOPMOD Stock - Wolf Grey SOP-206-01

    Regular Price $106.99 Special Price $95.99
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  23. B5 Systems Enhanced SOPMOD AR-15 Stock in OD Green

    B5 Systems Enhanced SOPMOD Stock - OD Green SOP-205-01

    Rating:
    98%
    (52)
    Regular Price $106.99 Special Price $95.99
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  24. ar 15 Pistol lower build kit

    Palmetto State Armory Pistol Lower Build Kit - Black - 39630

    Rating:
    93%
    (56)
    $69.99
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Items 1825-1848 of 3966

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  1. Anti Walk Pins 26
  2. Grips 368
  3. Lower Parts 1833
  4. Lower Accessories 97
  5. Lower Build Kits 140
  6. Lower Parts Kits 159
  7. Magazines 829
  8. Repair Kits 17
  9. Safety Selectors 168
  10. Stocks 692
  11. Stock Kits 72
  12. Triggers 399
  13. Upgrade Kits 159
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