|
I've got one of the Thermold 30/40 rd mags (Patent # 4472900). (Push a detent and the mag bottom extends to hold 10 more rds.) It was given to me back when we were experimenting with "good idea" gadgets. We never purchased more because it didn't solve any pressing need and you couldn't fit three of them in a standard ammo pouch. Personally I never had a problem with it, just never saw the point in spending money on aftermarket mags when I have/could get GI mags "inexpensively". I keep it mostly as a novelty item though it does allow me to keep 30 rds loaded in the mag with the bottom extended to relieve the spring pressure. To use it I just slap up on the bottom of the mag to close it and restore full (actually extra) spring pressure. FWIW - Peregrino
|