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Modulus Arms


Router Jig Extreme Multi Platform (80% Lower Jig) by Modulus Arms (AR-15 / LR-308 / AR-10 / AR-9) - 80% Lowers

Router Jig Extreme Multi Platform (80% Lower Jig) by Modulus Arms (AR-15 / LR-308 / AR-10 / AR-9)

$259.99 $229.99

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80% Lowers Fire/Safe (5-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

80% Lowers Fire/Safe (5-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$649.79 $479.99

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80% Lowers Fire/Safe (3-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

80% Lowers Fire/Safe (3-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$492.88 $379.99


80% Lowers Fire/Safe (1-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

80% Lowers Fire/Safe (1-pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$337.95 $279.99


Premium 80% Lower Fire/Safe Marked Billet (5-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

Premium 80% Lower Fire/Safe Marked Billet (5-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$909.79 $579.99


Premium 80% Lower Fire/Safe Marked Billet (3-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

Premium 80% Lower Fire/Safe Marked Billet (3-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$528.96 $439.99


Premium 80% Lower Fire/Safe Marked Billet (1-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308) - 80% Lowers

Premium 80% Lower Fire/Safe Marked Billet (1-Pack) & Router Jig Extreme Multi Platform (AR-9 / AR-15 / LR-308)

$388.95 $299.99

Modulus Arms

We carry the largest selection Modulus Arms Router Jig Extreme™.  Purchase the Modulus Arms Router Jig Extreme™ alone or conveniently bundled with your favorite 80% lowers.

Modulus Arms

The Complete
AR-15 Parts List

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