You've asked and now we're answering. Introducing our newest +1 magazine extension for the Sig Sauer P239 .357SIG/40S&W or 9MM pistol series. Made from carbon fiber reinforced nylon, this economical mag extension is no slouch in the engineering department, with the material being one and half times stronger than aluminum. Not only does the extension add one round making the pistol and 8+1 now, it also makes a nice space for your pinky to rest for a better grip. 

"Here at Galloway Precision we strive to provide quality US made products for savvy responsible firearms owners. Anytime you work on or clean your firearms you are the sole responsible party for safe handling of the firearm, read the owners manual and respect every firearm.

Altering any product, firearms, cars, even clothes comes with risks so understand and accept we assume no liability for injury to the buyer or anyone residing with or operating with the buyer. The buyer is the sole responsible party for the use of their firearm with or without our parts."