Gun Nuts Pro Line AR Complete Lower Parts Kit

Manufactured by Gun Nuts
Manufactured by Gun Nuts
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Standard orders will ship out in 1 business days or less if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination. NFA items will take longer to ship and are dependent upon ATF processing times.

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Finish your AR build with the Pro Line Complete Lower Parts Kit from Gun Nuts. The package includes the fire control group, pins, and springs needed to assemble your lower, making it an excellent option for do-it-yourself builders. All parts are crafted by Schmid Tools, a company known for producing quality parts for military contracts since the 1980s. Each piece is made in the United States to strict standards for durability and reliability when you need them most.

  • Standard Pro Line Lower Parts Kit for AR
  • Trigger, Hammer, Disconnect, and Spring
  • Trigger Spring and Pin
  • Safety, Safety Detent, and Spring
  • Bolt Catch and Roll Pin, Bolt Catch Plunger, and Spring
  • Mag Catch Assembly
  • Trigger Guard Assembly and Roll Pin
  • Buffer Retainer Pin and Spring
  • Grip, Grip Screw, and Washer
  • Take Down Pin
  • Take Down Detent
  • Springs, Pivot Pin, and Pivot Pin Detent
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BrandGun Nuts
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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