About this conversion kit
Sig Sauer CALXMPX4B9G2 Caliber Exchange Kit 9mm Luger Sig MPX Gen II Black Carbon Steel is a conversion kit.
A conversion kit changes the caliber or configuration of a firearm you already own. Confirm the exact host model it fits and whether it needs its own magazines.
Manufacturer details
This is a 4.5" barrel for the Second Generation of the MPX Platform.
Specifications
- Brand: Sig Sauer
- Fits: Sig Sauer
- Material: Carbon Steel
- Finish: Nitride
- Trigger: Nitride
- Manufacturer Part #: CALXMPX4B9G2
- UPC: 798681555062
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
