KeepShooting makes new production M3 Grease Gun mags, and from what I've read, they work pretty well in the CNC lower. They're available from many, many sources, but they're actually cheaper to buy in bulk, straight from KeepShooting.com. Right from the manufacturer. That rarely happens. The 10-pack is cheapest. <thumbsup> http://www.keepshooting.com/m3-grease-gun-magazine.html There are sources for original-issue, new-in-wrapper GG mags - I'll PM those sources to you. Last time I posted something online, on a good deal (not on here), the poop sold out. AND, it's still out of stock. I tried to buy something last night, and everything I previously mentioned is gone, OOS, from the vendor I specifically listed. I learned... >:(