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  • 80%
    20% OFF

    ALL BUILD KITS

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  • 80%
    LIBERATOR

    AR PISTOL KIT

    GET LIBERATED

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  • 80%
    G43SFR

    Slide for G43

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  • 80%
    COMING IN HOT!!!
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  • 80%
    BLACK ICE

    Our Proprietary Black Ice DLC coating provides Maximum Durability, Lubricity & Awesomeness
    Area 51 Alien Technology

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  • 80%
    PRE SALE

    OG-45 PRE-SALE

    Projected Ship Date 1-18-2019

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  • 80%
    XXIII-FDE .40 CAL

    An All New Exclusive Kit From 80PBuilder Compatible with Glock 23

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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.

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