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  • OTF SWAG
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    • AR15 Rifles / Pistols
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  3. AR15 Lower Parts
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AR15 Lower Parts
  • Lower Parts Kits
  • Buffer Tubes & Buffers
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  • Trigger Parts
  • Safety Selector
  • Grips
  • Individual Lower Parts

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  • Price range: $0.00 - $70.00 The filter has been applied
  • Price range: $70.00 - $134.00 The filter has been applied
  • Price range: $134.00 - $197.00 The filter has been applied
  • Price range: $197.00 - $261.00 The filter has been applied
  • Price range: $261.00 - $325.00 The filter has been applied
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    OT Firearms Anti-Walk Trigger Pin / Hammer Pin Kit

    $29.95 $21.95

    Old Testament Firearms

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    OT Firearms Ambidextrous Safety Selector Kit - 90º

    $49.95 $41.95

    Old Testament Firearms

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    OT Firearms Castle Nut / End Plate Kit

    $19.95 $14.95

    Old Testament Firearms

  • LBE AR15 Castle Nut - Mil-Spec
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    LBE AR15 Castle Nut - Mil-Spec

    $8.99

    LBE Unlimited

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    LBE AR15 Magazine Release Button
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    LBE AR15 Magazine Release Button

    $10.00 $6.99

    LBE Unlimited

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    LBE AR15 Magazine Release Assembly Kit
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    LBE AR15 Magazine Release Assembly Kit

    $15.00 $14.95

    LBE Unlimited

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    LBE AR15 Bolt Catch Kit
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    LBE AR15 Bolt Catch Kit

    $11.99 $11.95

    LBE Unlimited

  • AR-15 Reduced Power Trigger Spring Kit
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    AR-15 Reduced Power Trigger Spring Kit

    $9.95

    Kaw Valley Precision

  • OT Firearms Mil-Spec Buffer - Carbine, H1, H2, H3
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    OT Firearms Mil-Spec Buffer - Carbine, H1, H2, H3

    $14.99

    Old Testament Firearms

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    OTF AR15 Pistol Build Completion Kit with SB Tactical SBA3 Brace (Black)
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    OTF AR15 Pistol Build Completion Kit with SB Tactical SBA3 Brace (Black)

    $170.00 $149.95

    Old Testament Firearms

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    OT Firearms Polymer Trigger Guard Kit
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    OT Firearms Polymer Trigger Guard Kit

    $9.95 $8.95

    Old Testament Firearms

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    17-4 SS AR-15 Carbine Buffer Spring

    $9.95 $9.79

    Kaw Valley Precision

  • Aero Precision EPC Lower Parts Kit (No FCG / Trigger Guard)
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    Aero Precision EPC Lower Parts Kit (No FCG / Trigger Guard)

    $24.99

    Aero Precision

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    KAK Industry AR15 Mil-Spec Castle Nut
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    KAK Industry AR15 Mil-Spec Castle Nut

    $7.99 $6.95

    KAK Industry

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    KAK Industry AR15 Mil-Spec End Plate
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    KAK Industry AR15 Mil-Spec End Plate

    $7.99 $6.95

    KAK Industry

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    OT Firearms Enhanced Lower Parts Kit w/Ergo Grip (Black or FDE)
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    OT Firearms Enhanced Lower Parts Kit w/Ergo Grip (Black or FDE)

    $84.99 $74.95

    Old Testament Firearms

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    Ergo AR15 / AR10 Suregrip Aggressive Texture - FDE
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    Ergo AR15 / AR10 Suregrip Aggressive Texture - FDE

    $26.00 $22.95

    Ergo Grip

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    Magpul MOE K2 AR Pistol Grip - Flat Dark Earth
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    Magpul MOE K2 AR Pistol Grip - Flat Dark Earth

    $20.95 $17.95

    Magpul Industries

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    Magpul MOE K2 AR Pistol Grip - Black
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    Magpul MOE K2 AR Pistol Grip - Black

    $20.95 $16.95

    Magpul Industries

  • Magpul MOE PLUS AR Pistol Grip - Flat Dark Earth
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    Magpul MOE PLUS AR Pistol Grip - Flat Dark Earth

    $24.95

    Magpul Industries

  • Magpul MOE+ Grip - Black
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    Magpul MOE+ Grip - Black

    $24.95

    Magpul Industries

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    Magpul MOE K2+ Grip - Olive Drab Green
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    Magpul MOE K2+ Grip - Olive Drab Green

    $24.95 $21.95

    Magpul Industries

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    Magpul MOE K2+ Grip - Stealth Gray
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    Magpul MOE K2+ Grip - Stealth Gray

    $24.95 $21.95

    Magpul Industries

  • Magpul MOE K2+ Grip - Black
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    Magpul MOE K2+ Grip - Black

    $24.95

    Magpul Industries

  • Sale
    Ergo AR15 / AR10 Suregrip AT
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    Ergo AR15 / AR10 Suregrip AT

    $21.99 $21.19

    Ergo Grip

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    OTF AR15 Carbine Buffer Spring
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    OTF AR15 Carbine Buffer Spring

    $6.99 $5.95

    Old Testament Firearms

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    OT Firearms AR15 Carbine Buffer Tube - 7075-T6 - Anodized Black
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    OT Firearms AR15 Carbine Buffer Tube - 7075-T6 - Anodized Black

    $24.99 $22.95

    Old Testament Firearms

  • LBE AR15 Carbine Length Buffer Spring / Recoil Spring
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    LBE AR15 Carbine Length Buffer Spring / Recoil Spring

    $6.99

    LBE Unlimited

  • Sale
    Kaw Valley Precision - Tungsten Carbine Buffer
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    Kaw Valley Precision - Tungsten Carbine Buffer

    $34.95

    Kaw Valley Precision

  • LBE AR15 End Plate
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    LBE AR15 End Plate

    $7.99

    LBE Unlimited

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    Armaspec Superlight AR15 Builder's Kit - Blue, Purple or Black
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    Armaspec Superlight AR15 Builder's Kit - Blue, Purple or Black

    $74.99 $71.95

    Armaspec

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    Red
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    Armaspec Super Light Lower Parts Kit w/o FCG for AR15

    $74.99 $71.95

    Armaspec

  • CMC AR15 Lower Parts Kit Without Grip/FCG
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    CMC AR15 Lower Parts Kit Without Grip/FCG

    $39.95

    CMC Triggers

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Old Testament Firearms
1223 Menomonie Street
Eau Claire, WI 54703
(715) 271-8361

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