80% Arms: Best 80% Lower Receivers, Jigs, Lower Parts & More

Skip to main content cc-settings-icon BUILD AT HOME 80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories which allow you to legally build a firearm at home in most states. cc-gun-icon INCREDIBLY PRECISE We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum. cc-hand-icon RIDICULOUSLY EASY We also offer our patented AR-15 and .308 Easy Jigs® which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower. cc-thumbs-icon 100% SATISFACTION GUARANTEED Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. We will promptly replace or repair any product that we determine to be defective. Pause START A NEW 80 LOWER BUILD WITH 80% ARMS 80 Percent Lowers

80 Percent Lowers

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80 Lower Jigs

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80% Glock

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Featured Products

  •  A9X Ambidextrous AR-9 Stripped Lower – Colt® Magazine Pattern
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    A9X Ambidextrous AR-9 Stripped Lower – Colt® Magazine Pattern

    (Inc. Tax) $254.99 $229.99
  • $19.99 FRAME BUNDLE - PF940CV1 COMPACT BRIDGE FRAME 76% BLACK
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    $19.99 FRAME BUNDLE - PF940CV1 COMPACT BRIDGE FRAME 76% BLACK

    (Inc. Tax) $224.99 $94.98
  • PF940CV1 COMPACT BRIDGE FRAME 76% BLACK
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    PF940CV1 COMPACT BRIDGE FRAME 76% BLACK

    (Inc. Tax) $119.99 $44.99
  • P365 Grip Module – S365 Alpha (Modular Upgrade)
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    P365 Grip Module – S365 Alpha (Modular Upgrade)

    (Inc. Tax) $299.99
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