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  • 80% P320 Compatible Insert - MUP-1

80% P320 Compatible Insert - MUP-1

$100.00
SKU: S2012
--- Pending U.S Legislation seeks to effectively outlaw the building of 80% Lowers. For more information, click HERE to read the proposed bill. ---


80% P320 Compatible Insert - MUP 1


The Modular Universal Pistol 1 (MUP-1) is a great base for your next build.  The MUP-1 is compatible with Sig Sauer P250, Sig Sauer P320 and the EXO-1 Chassis system.  Your MUP-1 can be completed in a 9mm, .40 S&W, .357 SIG and .45ACP.  The MUP-1 is compatible with the current P320 "drop safe" upgraded parts.  

Jig and Tooling Sold Separately. For more details on completing your MUP-1, please see Additional Information.

Order Online Today, or Call Toll Free: 1-800-601-8273!
Operations Required to Finish:

All Holes
Bend Slide Rails
Trim Rails to Size
Jig and Tooling Sold Separately 


Compatible Firearms

Sig Sauer P320
Sig Sauer P250
EXO ONE (X01)

Made from 316 Stainless in the USA

To purchase the Jig, Click Here

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