Glock needs a .30 Super Carry pistol.Preview1. The market is still wide open with limited competition in this caliber.2. Smaller diameter would allow even slimmer single stack designs with increased capacity over .380 or 9mm.3. In their full size frames, capacity would be over 20 rds. per magazine.4. .30 Super in two or three frame sizes and capacity would really refresh the Glock line.5. Not being a military caliber, there is an international civilian market that remains untapped.6. The .30 Super Carry cartridge was specifically designed for the civilian market.7. Bringing a new line of .30 Super guns to market could again make Glock an industry leader.