Ammunition & Hand Loading > General Ammunition Discussion

OAL on .40 Reloads

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thirtydaZe:
On a quick search it looks like the standards are:


--- Quote ---The SAAMI minimum/maximum cartridge OAL for 40 S&W is 1.085"/1.135".

--- End quote ---

Seem about right to yhe experts here?  This is on 180 gr btw.

Anyhow, im not reloading, but had purchased some a while back, and decided to hit them up with the calipers.

Everthing so far is falling in that spec, mostly 1.128-1.133, but a few 1.139 have turned up.

Should i be concerned with these slightly longer rounds?

Anything else you can add is much appreciated.

shooter:
 you should be fine, as long as they fit in your magazine

thirtydaZe:
Right on, thanks.  Now, hopefully i can find time to put thhem down the range tomorrow!

SemperFiGuy:
Echo Shooter.

Load a magazine or two, aim at your sand bucket or water softener salt bags, and hand cycle the rounds through.   Without firing, of course.   (The sand and/or salt is for just in case.....)

If they hand-cycle through OK, then you'll be OK.   Too long OAL is generally OK, provided the rounds smoothly cycle.   (And let's not load them up to the maximum powder grain level just yet, either.)

However, if they were 0.006in too short by the specs, you would have considerably more concern.

Here's tonight's reloader reading material for your consideration:
CALIBERS -- Why the 180gr Bullet is a Bad Choice for .40 S&W
www.greent.com/40Page/ammo/40/180gr.htm

sfg

thirtydaZe:
I actually have that article saved at work.  I havent made a point to read it yet, but will tomorrow morning now, since youve referenced it too now.

I wish i hadnt purchased these dang rounds, but have about 1200 i gotta get rid of now.

Well, glad i read that!

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