1911 255 gr load

[prangr51]

Just got my 255 gr 45 load down.

Springfield loaded
255gr lee 452-255 (sized to .452)
4.5 grs Unique
Oal 1.137"

Its a tad short in order to function. Shoot very accurately, from sandbags I got 1." groups at 25yds.
No leading, one flyer, recoil was on par with, if not less than standard 230gr factory fodder. Over all, it seems to be a success, no velocity data yet

[scattershot]

Glad to hear it. I've wanted to develop a load for my 1911s, too. Could you post a pic of the loaded round? Any idea of the velocity?

Thanks

[prangr51]

Best guess at velocity is about 750-775 range, ill post up a pic tomorrow morning

[jh45gun]

How is recoil did you change to a heavier spring? I was just wondering as I have a Lee mold for my 45 Colt which is the 252 grain Semi Wad Cutter. I been wondering about loading that and trying it in my RIA Tactical.

[tek4260]

Are you loading short because of the throat(or lack thereof)? Possibly in a Springfield 1911?

I had to load mine short as well. Mine ran the Lee a taste over 800fps with 5.5gr of Unique.

[prangr51]

A bit of case bulge from being seated deep, but it didnt effect function and the brass looked fine afterwards.

How is recoil did you change to a heavier spring?

I changed out to a 18.5# spring and the recoil felt on par with 230grs factory fodder

Are you loading short because of the throat(or lack thereof)

Yes, the leade on the Springfield is virtually non-existent. And I think I took some guidance from an older thread of yours tek when i was loading these.

I could probably up the charge another 0.2 grs. I started with some loaded to 4.2 grs instead of 4.5 just to be safe, and they would not cycle the slide with the 18.5# spring.

[got_lead?]

Impressive, 1" groups. However, just a word of caution, pressures can really spike when loading heavy boolits in short cartridges such as the .45 ACP. I bulged a barrel in a BHP several years ago, with only something like 2.5 grains of powder behind a 158 grain RNFP. Wouldn't have know it by the report or recoil. both were very mild, however the primers showed excessive pressure. I should have stopped at the very first sign, but you know how stupid is as stupid does. It bulged right where the recoil lug is cut.

anyway, good luck

[prangr51]

Thanks for the advice. So far none of the brass shows signs of over pressure