grouping with cast bullets query
- Thread starter springfield armoury
- Start date
hardest part about being accurate with cast is its often through old irons or a peep, whichfair enough at 50m or so is ok, once at 100m its har to pin point smaller X but ok to hit middle of the Target- an consistantly aim there each time.. but ive never been a bench rest shooter an mostly chase minute of the old deer with most of these ones 
good to hear the 38-55 isnt super accurate, i mean it passes as minute of deer for 100-150m even.. i looked up my latest loads and speeds in the 375 win, with the 245gr hard cast im running close to 1500fps now , which is like 20grains of 2207........ loads for jacket are up to 34grs, ive loaded these casts at 30grains an settled on 28 for a long time.. now i wanted much less recoil, i read alot of pacos lever guns adticles and alot of mention of the 38--55 an modest recoil an plenty oomph, so i just downloaded mine to suit basically 100 meter bush stalking..... l o v e it.
good to hear the 38-55 isnt super accurate, i mean it passes as minute of deer for 100-150m even.. i looked up my latest loads and speeds in the 375 win, with the 245gr hard cast im running close to 1500fps now , which is like 20grains of 2207........ loads for jacket are up to 34grs, ive loaded these casts at 30grains an settled on 28 for a long time.. now i wanted much less recoil, i read alot of pacos lever guns adticles and alot of mention of the 38--55 an modest recoil an plenty oomph, so i just downloaded mine to suit basically 100 meter bush stalking..... l o v e it.
There is a lot of common sense in there^.hardest part about being accurate with cast is its often through old irons or a peep, whichfair enough at 50m or so is ok, once at 100m its har to pin point smaller X but ok to hit middle of the Target- an consistantly aim there each time.. but ive never been a bench rest shooter an mostly chase minute of the old deer with most of these ones
good to hear the 38-55 isnt super accurate, i mean it passes as minute of deer for 100-150m even.. i looked up my latest loads and speeds in the 375 win, with the 245gr hard cast im running close to 1500fps now , which is like 20grains of 2207........ loads for jacket are up to 34grs, ive loaded these casts at 30grains an settled on 28 for a long time.. now i wanted much less recoil, i read alot of pacos lever guns adticles and alot of mention of the 38--55 an modest recoil an plenty oomph, so i just downloaded mine to suit basically 100 meter bush stalking..... l o v e it.
BHN of 18 will be an alloy somewhere between Lyman #2 (~15) and Linotype (~22). Tensile strength of lead/lead alloys = BHN x 480, so, 8,640. Best bullet performance is GENERALLY within the envelope of 3 and 4 times tensile strength. Given that, if the powder charges in your loads result in pressures between about 25,900 PSI and 34,560 psi then your bullets from MBC have sufficient tensile strength for the task.
All that said, I'd start by investigating how well the bullets fit (or don't fit) the leade/ball seat of your chamber. A poor fit really starts beating you up the more and more you increase powder charges and operating pressures due to obduration issues, etc.
Any recovered bullets showing signs of gas cutting?
How hard it is or not depends on (a) who's behind the sights, and if they know how to run those sights, and (b) just how good/bad those sights are.
A "blast from the past" feature of the local newspaper just last week featured an article from 1914 concerning a shooting tourney between this city's team and the neighboring city's team. The locals cleaned up at the 600 and 800 yard stages; the neighbors redeemed themselves somewhat by taking the 1000 yard stage. Apparently the bleachers were full of spectators, with the ladies dressed in their finest; a sociable day enjoyed by all, according to the newspaper back then. They certainly weren't using any kind of optical/magnifying sights on their rifles.
Not to mention not a few guys today throwing cast bullets out to 1000 and better using cast bullets and aperture sights - and black powder no less.
For those who enjoy the challenge of target shooting, competition, hunting, etc with cast bullets, using the iron sights from that era to sight with is a natural progression.
side note those 303 cast boolits arrived in the post, with the 376s.. but mostly concerned with the 303 sized ones , ill have them in my hands tomorow and be able to do some measuring-
im very interested to know
Edit- they came out not round i rekon lol as the coating differed i rekon, 312-.313 or so..... :facepalm:
im very interested to know
Edit- they came out not round i rekon lol as the coating differed i rekon, 312-.313 or so..... :facepalm:
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I’ve had 2 30-30 that would only shoot .309” non gas checked bullets with trailboss. At about 1100fps.
I got some .310” gas checked 165s and I could get them up to 1400-1500fps with 4895 and 4198.
Could never get a load that did better then 2” at 50yrds. But for clanging steel it’s alright
I got some .310” gas checked 165s and I could get them up to 1400-1500fps with 4895 and 4198.
Could never get a load that did better then 2” at 50yrds. But for clanging steel it’s alright
So I tried Ladder loading for the IMR4227. Starting from 15 grains , then 15.5 then 16. Well average of 3 inches at 50 yards at 15 grains and then all over the place( like not hitting paper) at 15.5 and 16. 15 grains and down will be the next try.
