Increased charge 40 S&W
- Thread starter JasonYuke
- Start date
1) technically yes...but unless you're shooting at distanses longer that you should you most likely won't notice it. (25m and less)
2) most likely yes, but again it also depends on a load...and it won't make that much difference...
What you're talking about is bullet drop and at 25yards it's not very significant at all; since the bullet will fly pretty much straight for that distance (.22LR drops only about 3 -3.5in at 100yards). Also most handguns already sighted in for 25yards/meters anyways.
If you have a roblem with shooting low get an adjastable sight! .40 is already a high pressure round and pushing it farther may give you problems (KB)...Shooting low may also be a sign of a flinch, something else to consider...
2) most likely yes, but again it also depends on a load...and it won't make that much difference...
What you're talking about is bullet drop and at 25yards it's not very significant at all; since the bullet will fly pretty much straight for that distance (.22LR drops only about 3 -3.5in at 100yards). Also most handguns already sighted in for 25yards/meters anyways.
If you have a roblem with shooting low get an adjastable sight! .40 is already a high pressure round and pushing it farther may give you problems (KB)...Shooting low may also be a sign of a flinch, something else to consider...
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Loading up .40 SW is a bad idea. It's already loaded to it's maximum specs, thus why there is no such thing as a .40SW +P.
Bad idea.
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You can follow the recipies in the reloading manuals, or you can blow your face off. Your choice!
I would debate that.. IPSC major loads are already "loaded up", and there does not seem to be an abnormal amount of reported problems.. I've seen tons more cracked .45 cases, then any of the .40s I pick up after matches.
you just need to follow standard practices, and look for pressure signs properly..
as for "maximum specs" it also depends on what type of gun you are shooting it out of as well. (Eg regular rifling vs poly, and plated, vs lead, vs CMJ) if you are going to reload, then taylor the load for the gun, (again following the standard steps for developing a load, and working up the powder levels to what you need).
I am loading with 4.0 gr of titegroup with 180 gr lead bullet max calls for 4.7
I have no intention of blowing my face off but i am down loaded at the present time. My gun has fixed sites and shoots low at 25 yards, about 4-5 inches low. Between filing the front and load adjustment thats all i want to achive is a some what zero at 25 y.
cheers
I have benched the gun, and I know it shoots low now.
LOL my flinch yes just adds 2 inches low and 2 inches left lol!!!! but the guns low.
CZ 75 B, not adjustible sites. Not that i know of.
I have no intention of blowing my face off but i am down loaded at the present time. My gun has fixed sites and shoots low at 25 yards, about 4-5 inches low. Between filing the front and load adjustment thats all i want to achive is a some what zero at 25 y.
cheers
I have benched the gun, and I know it shoots low now.
LOL my flinch yes just adds 2 inches low and 2 inches left lol!!!! but the guns low.
CZ 75 B, not adjustible sites. Not that i know of.
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Shelldrake
CGN frequent flyer
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A heavier bullet, and slower bullet may raise your point of impact in a pistol.
Not really. A heavier bullet remains in the barrel longer, allowing recoil to push the barrel upward a bit more. That's why heavy bullets hit high.
I don't know about the heavier powder charge. Will the extra oomph of recoil do more or less than the faster bullet transit time? Anyone?
Thats a bigger difference that what a load like that will be doing.. I use 5.3 of titegroup (Loaded, 1.2 OAL, with copper plated, and a poly barrel, all three of which require more powder then a normal load).
it's probably the sight on the gun, or the way that your eyes adjust to it (maybe it's center hold rather the 6 low..).
you may have to go to adjustable sights to get it up that high to get it back in center.
True. but the recoil is also slower and more of a push back, then a snap up.. it also depends on the pistol, it's is a heavy all metal, or a lighter bottom tupperware gun
Major load out of a Tanfo LC with a Poly Barrel loaded with Excel and OAL of 1.2
I know.. I didn't beleive it either then I built up the load.. I started at 4.5 and was way off on the FPS.. I kept going 1/10th at a time until I hit the rquired FPS to make it to major..
there are no pressure sign problems on the cases or primers.. If I didn't work up the load myslelf, I would not have beleived it.. lol
EDIT: BTW I would NEVER shoot that smae round out of any of my other .40s
IMO it's a bad idea to use Titegroup for any hi velocity loads. It's a very fast burning and high pressure powder, plus it burns very hot. I've read about KB's using TG relaods probably more than any other powder... There are a LOT better powders out there for HOT loads that give you higher fps and less pressure.
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if it is a question on how to shoot higher then may I suggest just to get used to sights. Although I never shot IPSC I practice and outdoor range all the time and I can say targets are big enought not to bother with sights at all. Try this - aim at the target as you normally would and then bring the gun down from line of sight by couple inches. Empy magazine correcting by bullet impacts. From then on never use sights again, just gneral silhouette of your gun.
Or in a bullseye shooting you may adjust your sight picture to a little higher sticking front pin.
Or in a bullseye shooting you may adjust your sight picture to a little higher sticking front pin.
You need to chronograph these loads, you may be surprised that the are too fast and have too much pressure.
I did just this last weekend and again Thursday, using an STI Trojan and a Glock 35.
All loads use the Frontier 180gr CMJ.
4.2gr TG - STI = 877fps - pf = 162.--------G35 = 874fps - pf = 162
4.3gr TG - G35 = 978fps - pf = 174.
4.5gr TG - G35 = 971fps - pf = 174
4.7gr TG - STI = 1015fps - pf = 183-------G35 = 1011fps - pf = 182
FWIW Winchester WB 180gr FMJ came out at 170pf from the G35 and 186pf from the STI. And this was from the same box.
IMO it's a bad idea to use Titegroup for any hi velocity loads. It's a very fast burning and high pressure powder, plus it burns very hot. I've read about KB's using TG relaods probably more than any other powder... There are a LOT better powders out there for HOT loads that give you higher fps and less pressure.
That might be true, but you get a very different feel off the recoil.. I've tried a slower powder and there is more flip, and it does not recover as fast..
I've put over 6K rounds of that load through the gun, and there is very litte variation in the FPS/grains. The load works for me, and is a lot cleaner the the slower powders.
(Sorry for the thread hi-jack..)
Please feel free to publish (like I have) the chrono results.
The only one I have recorded is the final load which was 1008 FPS +/- 4 fps.
comes out to a 182PF (I'm shooting excel, so the consistancy can vary on each bullet quite a bit). I had it lower but almost failed a PF check on 2 rounds that where just below the 170.. lucky the pulled bullet was at 180.
Major load out of a Tanfo LC with a Poly Barrel loaded with Excel and OAL of 1.2
I know.. I didn't beleive it either then I built up the load.. I started at 4.5 and was way off on the FPS.. I kept going 1/10th at a time until I hit the rquired FPS to make it to major..
there are no pressure sign problems on the cases or primers.. If I didn't work up the load myslelf, I would not have beleived it.. lol
EDIT: BTW I would NEVER shoot that smae round out of any of my other .40s
Loading the cartridge long (1.2" won't fit in a Glock mag) substantially reduces peak pressure. That is why the results seem off compared to the Manuals.
Tightgroup is actually a good powder for the 40 and you can even load it heavy, but maybe not absolutely max.
The IPSC shooters that use Clays to make major, also tend to load the cartridges long, again, lowering peak pressure. Now if you were to use the same load at 1.10" =>> kaboom.
So if anyone posts crono results, also post OAL.
The other thing as well to note is that the LC has a polyagonal rifling, which does not cause as much fiction. it moves the bullet easier, so you need to take that into account as well.. on a traditional rifling it would cause higher pressure as well.. That plus the thin copper plating on the Exel all add up for the extra grains..
