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NEW BUFFALO BORE APPAREL
CHAMBER DIMENSIONS FOR 9MM PISTOLS
Friends, there is much confusion in the shooting world regarding the history of chamber dimensions for 9MM chambered firearms. As of this writing, (2017) the 9MM cartridge is very old. Developed in 1908 in Germany as a strictly military cartridge, original chamber dimensions were designed around the use of an FMJ, round
The 9MM started to see more usage in the US during the 1950’s but was still strictly a military type cartridge using FMJ-RN bullets. Today, modern ammo and firearm manufacturers (some of them) understand that by moving the bullet ogive forward of the case mouth, more case capacity is created in that tiny casing, which lowers pressures and allows for more propellant to be added to the cartridge, to increase velocity, but at lower pressures—it’s a win-win situation. Unfortunately, (there always has to be a tradeoff) some pistol designs are still using are still using the original short chamber dimensions. When you try to chamber an “ogive forward” designed bullet into a chamber that is short, designed for
AMERICAN GUN CULTURE
If you go to our website for the 9MM OUTDOORSMAN load (Item 24L) you will see my test results with all the handguns I used to develop the 9MM OUTDOORSMAN. That load works well in those models and makes of pistols and many others I did not have at the time.
Now, because humans are sloppy and assumptive, please understand that what I am writing here about the 9MM, its characteristics and history DOES NOT APPLY to other cartridges, cart blanc… it applies to the 9MM for the intents of this short write up.
Hopefully, this short essay will clear up questions about why some 9MM ammo chambers easily in modern guns and some does not. We at Buffalo Bore appreciate your business. God Bless.
9MM OUTDOORSMAN STOPS ATTACKING GRIZZLY
As a modern-day example of how effectively even a 9MM load can be redesigned, click HERE to see an NRA article where Phil Shoemaker, a professional guide in Alaska, recently used our 9MM OUTDOORSMAN load to stop an attacking grizzly.