Description
Sig Sauer ProForce M17 Spare Gas Magazine
Sig Sauer ProForce M17 Spare Gas Magazine
Compatibility & Capacity
-
Designed specifically for the SIG Air / VFC ProForce P320 M17/M18 GBB pistols, fully aligning with both green gas and CO₂ models
-
Holds 21 rounds of 6 mm BBs plus chamber-ready capacity, matching the original pistol mag
Build & Construction
-
Comes in two variants:
-
Green Gas version: full metal body with polymer baseplate, sealed for reliable play.
-
CO₂ version: metal body, polymer base, built-in pierce and Allen key lock for cartridge installation
-
-
OEM-quality construction with precisely cast logos and finish to match the ProForce pistol.
Reliability & Performance
-
Generally smooth feeding,
Comparable to real-steel dimensions—well-regarded in field reports:
-
Safe pressure handling and leak protection reported in multiple green gas & CO₂ mags used over thousands of rounds
If you need a reliable spare magazine for your SIG ProForce M17/M18, these OEM mags are a solid match—featuring perfect fit, smooth performance, and options for green gas or CO₂. Just handle feed lips with care and follow proper spring/CO₂ install techniques.