not so much anymore. the extra speed of the 9mm with it's much lighter weight evens out with the .40.
on of the worst choices would be a shotgun with buck shot. talk about over penetration
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oh, go the the gun range, rent two of the same model of pistol in 9mm and .40. shoot them both and see.
that is what made up my mind to go 9mm over .40.
haha you know what i have in my 9mm in my house? the beehive bird shot rounds if i have to use it. may not kill your ass but it will get you clear of any of our bedroom areas and i get 3 more rounds down into the weapon. my 45 that is my primary has expanders in it.
I use tactical buckshot. fewer pellets and far less propellant.
1100-1200 fps as opposed to 1600-1700 in regular but with 2X as much payload. diminishes over penetration and keeps the group tight so you do not have crazy flyers.
anyway. IMO an AR15 with hollowpoints is best. super high velocity fragments when it hits sheetrock, way more energy in an assailant, way more accurate, high capacity.
that said I still use my M&P full size 9mm for home defense
shoot a mag of each at 3,7 and 15 yards. after each shot try to get back on target ASAP. some guys can get a .40 or .45 back on super fast. others like myself take considerably longer. I would rather have 2 9mm shots on target than 1 .40
Most ranges do not allow rapid fire. talk to the range master, ask him if you can double tap each at say 5 yards. look at where you hit the target.
do not go back and forth. get at least a couple of mags of one or the other before changing.
best of luck.
Oh yeah, make sure you have the SAME pistol in both calibers. if you have a CZ 75 in .40 and a springfield XD compact in 9mm you will think the .40 has less kick.
Mine is a Sig P250. In hindsight it wasn't the best choice, especially with the picatinny rail it's almost impossible to find a holster for it. I think the biggest adjustment I'll have to make is for the trigger pull. The P250 has a super long pull that also acts as the safety. I've gotten so used to it over the years.
My mousegun .380 has a long trigger like that. it does take time to learn so you get a fl reset and can fire again. I shot a 250 and it was a fine gun, fit, finish, recoil, but it has a high bore axis and the trigger is a deal breaker for me. but it is a weapon that can be relied on all the time
Smokey, your beretta should not jam.................ever. think self defense and a jam. bad.
subcompact I prefer a 9. compact or more 40