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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 865-888 of 1828

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  1. AR-15 Lower Parts

    Wilson Combat Tactical Triggerguard TR-TTG

    Rating:
    20%
    (1)
    Regular Price $23.99 Special Price $20.99
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  2. Wilson Combat AR-15 Extended/Oversize Bolt Release - TR-EBR

    Wilson Combat AR-15 Extended/Oversize Bolt Release - TR-EBR

    Rating:
    90%
    (4)
    $33.99
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  3. PSA AR-15 Rifle Action Spring

    PSA AR15 Rifle Action Spring - 7279

    Rating:
    94%
    (14)
    $2.99
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  4. B5 Systems QD End Plate

    B5 Systems QD End Plate AEP-001-01

    Rating:
    97%
    (7)
    Regular Price $22.99 Special Price $19.99
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  5. B5 Systems Trigger Guard ATG-001-01

    B5 Systems Trigger Guard ATG-001-01

    Rating:
    100%
    (7)
    Regular Price $23.99 Special Price $20.99
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  6. Wilson Combat Tactical AR Trigger Unit

    Wilson Combat Tactical Trigger Unit - Single Stage, Semi-Auto TR-TTU

    Rating:
    100%
    (4)
    Regular Price $217.99 Special Price $195.99
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  7. AR-15 Lower Receiver Parts

    Magpul Enhanced Trigger Guard, Aluminum – AR15/M16 MAG015

    Rating:
    94%
    (14)
    Regular Price $24.99 Special Price $21.99
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  8. Geissele Super Dynamic 3 Gun (SD-3G) Trigger

    Geissele Super Dynamic 3 Gun (SD-3G) Trigger ‒ 05-166

    Rating:
    98%
    (21)
    Regular Price $273.99 Special Price $245.99
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  9. Magpul CTR/MOE Cheek Riser 3/4 inch Flat Dark Earth

    Magpul CTR/MOE Cheek Riser 0.75", Flat Dark Earth- Mag327-FDE

    Rating:
    60%
    (1)
    Regular Price $21.99 Special Price $18.99
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  10. Magpul CTR/MOE Cheek Riser .50'' - Flat Dark Earth MAG326-FDE

    Magpul CTR/MOE Cheek Riser .50'' - Flat Dark Earth MAG326-FDE

    Regular Price $21.99 Special Price $18.99
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  11. Magpul CTR/MOE Cheek Riser .50'' - OD Green MAG326-ODG

    Magpul CTR/MOE Cheek Riser .50'' - OD Green MAG326-ODG

    Rating:
    60%
    (2)
    Regular Price $21.99 Special Price $18.99
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  12. Magpul CTR/MOE Cheek Riser .25'' - Flat Dark Earth MAG325-FDE

    Magpul CTR/MOE Cheek Riser .25'' - Flat Dark Earth MAG325-FDE

    Regular Price $21.99 Special Price $18.99
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  13. Magpul CTR/MOE Cheek Riser 1/4 inch

    Magpul CTR/MOE Cheek Riser .25'' (OD Green)- MAG325-ODG

    Regular Price $21.99 Special Price $18.99
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  14. Magpul PRS Extended Rubber Butt-Pad, 0.80" MAG350

    Magpul PRS Extended Rubber Butt-Pad, 0.80" MAG350

    Rating:
    95%
    (4)
    Regular Price $16.99 Special Price $14.99
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  15. Magpul CTR/MOE Cheek Riser 3/4 inch Black

    Magpul CTR/MOE Cheek Riser 0.75", Black- Mag327-BLK

    Regular Price $21.99 Special Price $18.99
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  16. Magpul CTR/MOE Cheek Riser .50'' - Black MAG326-BLK

    Magpul CTR/MOE Cheek Riser .50'' - Black MAG326-BLK

    Rating:
    100%
    (1)
    Regular Price $21.99 Special Price $18.99
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  17. Magpul Enhanced Rubber Butt-Pad, 0.70" MAG317

    Magpul Enhanced Rubber Butt-Pad, 0.70" MAG317

    Rating:
    91%
    (13)
    Regular Price $21.99 Special Price $18.99
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  18. Magpul Rubber Butt-Pad, 0.30" MAG315

    Magpul Rubber Butt-Pad, 0.30" MAG315

    Regular Price $21.99 Special Price $18.99
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  19. Magpul SSG Selector Set – FN SCAR MK16/16s MAG499-BLK

    Magpul SSG Selector Set – FN SCAR MK16/16s MAG499-BLK

    Regular Price $25.99 Special Price $18.99
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  20. Magpul MOE Enhanced Trigger Guard, OD Green - MAG1186-ODG

    Magpul MOE Enhanced Trigger Guard, OD Green - MAG1186-ODG

    Rating:
    100%
    (7)
    Regular Price $11.99 Special Price $9.99
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  21. Magpul MOE AR15/M4 Enhanced Trigger Guard - MAG1186-FDE

    Magpul MOE AR15/M4 Enhanced Trigger Guard - MAG1186-FDE

    Rating:
    100%
    (8)
    Regular Price $11.99 Special Price $9.99
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  22. Magpul MOE AR15/M4 Enhanced Trigger Guard, Black

    Magpul MOE AR15/M4 Enhanced Trigger Guard, Black

    Rating:
    97%
    (14)
    Regular Price $11.99 Special Price $9.99
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  23. PSA AR-15 A2 Buttcap Spacer

    PSA AR-15 A2 Buttcap Spacer

    Rating:
    98%
    (11)
    $1.99
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  24. Troy Ambidextrous Bolt Release - SBOL-AMB-00BT-00

    Troy Ambidextrous Bolt Release – SBOL-AMB-00BT-00

    Rating:
    97%
    (7)
    Regular Price $38.99 Special Price $34.69
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Items 865-888 of 1828

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  1. Buffer Tube Assembly Parts 493
  2. Enhanced Parts 397
  3. Lower Receiver Assembly Parts 896
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