Modulus Arms | AR-15 80% Lower Receivers and 80 Lower Jigs

Featured Products

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AR-15 80% Lower Receiver - Forged - Raw

$49.99 $44.99
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AR-15 80% Lower Receiver - Forged - Black Anodized

$54.99 $52.99
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Universal AR -308, -15, -9,-45 and AR-10 80% Lower Jig - Router Jig Extreme™

$249.99
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AR 80% Lower Receiver - Billet - Raw

$59.99

Most Popular Products

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Universal AR -308, -15, -9,-45 and AR-10 80% Lower Jig - Router Jig Extreme™

$249.99
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AR 80% Lower Receiver - Billet - Raw

$59.99
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AR 80% Lower Receiver - Billet - Black Anodized

$79.99
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AR-15 80% Lower Receiver - Forged - Black Anodized

$54.99 $52.99

New Products

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.308/7.62X51MM Bolt Carrier Group

$184.99
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AR-15/M16 Bolt Carrier Group

$99.99
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Magpul Gen 3 PMAG .308 / 7.62 25rd

$22.95
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SureFeed Magazine - AR15 - 30RD - BLK

$18.95

Recent Posts

Posted by Wayne on 1st Jan 2016

80Percents.com Reviews the Heavy-Duty Universal AR-15 80% Jig

The All-New Modulus Arms Heavy-Duty AR-15 80% Jig has been shipping for a little over a month a …

Modulus Arms Introduces the Heavy-Duty Universal AR-15 80% Jig

Posted by Wayne on 7th Dec 2015

Modulus Arms Introduces the Heavy-Duty Universal AR-15 80% Jig

Modulus Arms is proud to present the Heavy-Duty Universal AR-15 80% Jig. This Jig is the answer …

Posted by Andy on 26th Jan 2015

ATF Clarifies Previous Ruling Regarding 80% Lower Receiver Manufacturing Processes

ATF Ruling 2015-1 ; Dated January 2, 2015General Synopsis:"Held, any person (including any corporati …