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  • New Kits

    Valor

    • 80P Builders New BOSS Cut Slide in an awesome Single Stack package
    • 9MM
    • Five Star Review!

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  • New Kits

    Triad

    • 80P Builders new Triad cut slide
    • Flat fluted, flush cut, deep crown barrel

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  • New Kits

    BOSS

    • Be a Boss
    • G43, G26, G19 Sized BOSS

    BE A BOSS
  • New Kits

    ELITE

    • Competition G34 size package
    • 80P Builder Black Nitride Match Grade Barrel
    • 80P Builders ELITE line of Pistol kits

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  • New Kits

    AGENT

    • Get your AGENT on in Sniper Grey style.
    • With our new 80P Builder V3 slide.
    • 80P Builders New VALOR line of match grade barrels are standard issue
    • 9MM
    • G26, G19, G17 Sizes

    BE AN AGENT

Welcome to 80 Percent Builder

80 Percent Builder is your premier source for high quality, high accuracy aftermarket polymer 80 kits and aftermarket gun parts that fit your Glock. All Orders are usually shipped next business day. We provide the best deals around for 80 percent kits and parts while working to support the rights of the firearms industry. Our commitment to high quality and accuracy is second to none. 80 Percent Builder is family owned and operated and dedicated to providing exceptional customer service.

We specialize in polymer 80 kits that include the frame, jig, rail system, drill bits, and more. We serve those who are seeking to complete their current build, or those who are looking for a complete bundled kit. We are always adding to our product offerings, so make us your one-stop shop for customizable kits and aftermarket gun parts.

80P Builder does NOT sell firearms

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Our Products are manufactured right here in the USA 

American made | American owned

 
High Quality. Better Accuracy.
Family Owned & Operated in the USA
Field Tested. Expert Approved.