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Has anyone here owned or shot *anything* in .40 Super? I'm curious about initial reactions & the overall experience. I really like the idea, but before I plunk down hundreds of $$ for a conversion for my 1911, I want to hear from others about their experiences with this caliber.

Triton Ammo Website said:
The Development of the .40 Super

In 1994 Triton released a cartridge called the .45 Super. Essentially, the .45 Super is based on a .451 Detonics case trimmed to .45 ACP length. Pioneered by writers Dean Grennell and the late Tom Ferguson, the .45 Super raised the performance level for .45 ACP-chambered autos beyond that of the .45 ACP+P and even the 10mm.

In 1996 Triton began development of a new cartridge designed to achieve even greater velocity and energy. The .40 Super began as a .45 Super necked to .40 caliber. In an effort to maximize case capacity, the cartridge case was lengthened to .992" (same as the 10mm). Final design improvements included an increased thickness of the cartridge case walls and the use of a small primer pocket

The .40 Super design is a true hybrid. A combination of the best attributes of the .45 Auto, .45 Super, 10mm and .45 Winchester Magnum.

The Power & Versatility of the .40 Super

The .40 Super will drive a 135 grain bullet to an unprecedented 1,800 feet per second while generating less chamber pressure than the Winchester 9 X 23. With a 200 grain bullet, the .40 Super delivers more foot/pounds of energy at 100 yards than the .45 ACP does at the muzzle.

From a reloader's standpoint, there is tremendous versatility in the .40 Super. Bullet weights currently on the market range from 125 to 200 grains. Loads can be developed with a dozen powders. Small Pistol Magnum or Small Rifle primers can be utilized. Brass is available from both Triton and Starline Brass Company.

The Triton factory loadings for the .40 Super are designed to meet the needs of law enforcement tactical teams, competitive shooters, hunters and those concerned with personal defense.

The .40 Super Quik-Shok 135 grain TT (Team Triton) is designed as a dual purpose load. It meets the needs of competitive shooting and law enforcement as a reduced recoil yet high-performance load. The Quik-Shok 155 grain delivers the full house performance you'd expect from the .40 Super. The Hi-Vel loads range from the 135 grain screamer at 1,800 fps to the long range 200 grain at 1,300 fps. The CQD Frangible 130 grain is ideal where full performance is needed but ricochet is a concern. The Team Triton Competitor 135 grain .40 Super is designed as a low recoil load specifically for range/competitive use.

The Gun

Many semi-autos can accommodate the .40 Super. Semi-autos already chambered for the .45 ACP cartridge are the easiest to convert. This is accomplished by simply swapping out the .45 ACP barrel with the .40 Super barrel and upgrading the recoil spring system with a heavy duty spring. Existing .45 ACP magazines can be utilized.

Handguns already converted to .40 Super include the S&W 4506, Glock 21, Glock 30, SIG P220, HK USP (full size) and the 1911 Government Model (and it's variants).
 
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