This SIG Sauer CAL‑X conversion kit converts a manual‑safety 9mm P320 into the civilian M17 configuration and includes a full‑size 4.7‑inch coyote‑tan PVD‑coated stainless steel slide, carry‑length grip module, and recoil assembly. The slide is SIG‑LOC MHS footprint capable of accepting the ROMEO‑M17 reflex sight; the SIG Sauer ROMEO‑M17 is a logical optic pairing for this kit and is commonly available for under $1,000. Typical uses include range training and modular configuration for competition or duty‑style carry setups.
Product Specifications
The kit is a P320-M17 conversion kit designed for manual-safety 9mm P320 pistols.
The caliber is 9mm Luger.
The barrel measures 4.7 inches (119.38 mm).
The package includes (3) 10-round magazines.
Magazine material in the source data is listed as conflicting (steel vs. aluminum); see notes.
The slide is a full-size 4.7-inch coyote-tan PVD-coated stainless steel slide.
The grip module is a coyote-tan carry-length polymer.
Sights are SIGLITE front night sight with removable night-sight rear plate.
The optic interface is SIG-LOC MHS footprint (ROMEO-M17 compatible).
The kit includes a barrel and recoil spring assembly.
This item is optic-ready and does not include an optic.
Manual safety is listed as present.
Pistol size is listed as full-size.
Weight is listed as 2.9 in the source data (unit not specified).
UPC is 798681723966.
This CAL‑X kit gives a P320 owner factory‑style M17 components and the SIG‑LOC footprint for modern reflex optics. Included magazines and the full‑size slide make it straightforward to assemble a service‑configuration specimen for range work or competition that follows the Army’s M17 layout. The kit’s coyote finish and polymer grip module match the M17 aesthetic while retaining the platform’s modularity.
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