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Firearms Unknown
  • Firearms Unknown National City
  • Address: 416 National City Blvd, Unit B, National City, Ca 91950
  • Telephone: 619-507-3174
  • Opening hours: 11AM - 7PM Every Day
Firearms Unknown
  • Firearms Unknown Oceanside
  • Address: 1906 Oceanside Blvd, Unit K, Oceanside, CA 92054
  • Telephone: 760-730-5599
  • Opening hours: 11AM - 7PM Every Day
Firearms Unknown
  • Yuma Retail
  • Address: 801 W. 32nd St. Yuma, AZ 85364
  • Telephone: Call/Text: (928) 955-FUFU (3838)
  • Opening hours: 11AM - 7 PM

Lower Parts and Kits

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  2. › Builds / Parts
  3. › AR15 / LR308 Parts
  4. › AR Parts
  5. › Lower Parts and Kits
181 Products available

Blitzkrieg Mil-Spec Carbine Buffer Tube

Mil-Spec Carbine Length Buffer Tube

$24.99
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House AR15 and LR308 Bolt Catch Spring

Bolt Catch Detent Spring. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308 Safety Selector Detent Spring

Safety Selector Detent Spring. Mil-Spec. Made in the USA

$1.00
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House AR15 Mil-Spec Trigger Guard

Winter Trigger Guard. Mil-Spec. Made in the USA

$10.00
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House AR15 and LR308 Safety Selector Detent

Safety Selector Detent. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308gazine Magazine Release Spring

This is a Mil-Spec Magazine Release Spring that is Made in the USA

$3.00
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House AR15 and LR308 Trigger and Hammer Pin

Hammer and Trigger Pin. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308 Grip Screw

Pistol Grip Screw. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308 Hammer

AR-15/10 Hammer. Mil-Spec. Made in the USA

$10.00
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House AR15 and LR308 Hammer Spring

Hammer Spring. Mil-Spec. Made in the USA

$2.00
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House AR15 Rear Takedown Pin

AR-15 Takedown Pin. Mil-Spec. Made in the USA

$3.00
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House AR15 Bolt Catch / Bolt Stop

AR15 Bolt Catch

$10.00
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Firearms Unknown LR308 Upgrade Kit

These are the parts you need if you accidentally bought, or have a spare AR-15 parts kit you are using you build out your AR-10. These parts will make that parts kit function the way it should.

$24.99
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