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The 4.2 grains of N320 performed the best of the 3.9-4.3 ladder overall. I still don\’t get the grouping consistency of the factory 124 Federal HSTs. However, the federal feels like a much hotter round than the N320 loads. I\’m not seeing any concerning pressure signs and I think I will tinker with the overall length a bit to see if I can tighten the groups some more.
Maybe your gun just doesn\’t like the MPR as much.
I\’ve had a similar issue with my old 9mm Springfield 1911. It doesn\’t like 147 grain bullets.
Shooting seated but not rested with light rain and breezy. It was a roughly 2\” group at 15 yards from an original gen2 Glock 19. The grouping wasn\’t bad. I think pushing the pressure up a little more may be the key for that particular gun.
The 3.9 load made a decent group with 3 of the 5 rounds and it kept tightening as the load got hotter. If I was loading it just for the one gun, I\’d push it to 4.4 or 4.5. I basically try to develop an acceptable group on my worst one and it generally performs better on the others.
With some more tweaking, I think it can be a good all around performer. Next will be to load a few hundred on the n320 and the titegroup to run a multigun comparison against the Federals.
My old Para is the least picky 1911 I\’ve ever had. It gobbles up everything. The flat nose cheap 230gr will all but stack on top one another just like the critical duty rounds do. That gun never ceases to surprise people especially since it looks old and ugly.
Interesting results, did you use a chrono?
I just piced up 2 lbs of CFE Pistol but have been using Win231 and Alliant Sport Pistol before then.
I\’m planning on loading up 10rds for a variety of charge weights to try out. Too bad we can\’t post screen shots of chrono results here.
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