Sig 80% P320 Frame (Sig Sauer Chassis)

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Sig Sauer 80% Universal Insert (JSD MUP-1) is Compatible with the Sig Sauer P320 multi caliber/frame modular weapons system.  Allowing you to build subcompact, compact, carry, and full framed firearms all using the same modular chassis across multiple calibers.  Save $25 on the lower parts kit by adding it using the drop-down menu to the right.

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$99.99

-$50.00

$149.99

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Sig Sauer 80% Universal Insert (JSD MUP-1) is Compatible with the Sig Sauer P320 multi caliber/frame modular weapons system.  Allowing you to build subcompact, compact, carry, and full framed firearms all using the same modular chassis across multiple calibers.  Save $25 on the lower parts kit by adding it using the drop-down menu to the right.