225SH
338 RUM
Remington brass, new
26” Bartlein barrel
215M federal
1-9.3 twist
3.582 oal 1/4 turn crimp- fits in magazine very well!
RL22
90 gr. 3262
91 gr 3271 going with this load-2 shots almost same hole
92 gr 3365 slight cratering on primer
93 gr 3397 heavy bolt lift shiny brass…too HOT!
91 grains was max in Nosler book for 225 grain looks like it’s pretty close in this rifle.
Going to shoot a couple more three shot groups today. Rifle has 60 rounds thru it.
This should be a real “ Hammer “ on any large game that receives one of these! Am looking at loading some IMR 7828 ssc also but it’s going to be tough to beat RL22 so far.
Went and shot two three shot groups with 91 grains @ 100 yards, on a clean barrel the 1st group went 3325-3333-3300–average 3319 fps
2nd group went 3309-3275-3311–average 3298 fps— best group 7/16” center to center. Was 54 degrees. 3.582 oal, 1/4 crimp.
213H
338RUM
Remington brass, once fired
26” Bartlein
215M
1-9.3 twist
Single feed as too long for magazine
RL22
92 gr s. 3306
93 gr s. 3309
94 gr s. 3332
IMR 7828 ssc
94 gr s. 3314
95 gr s. 3348
96 gr s. 3393. Two shots touching, 3rd 3/4” away
96.5 gr s. 3441-3426-3459=3442 average two shots 3/8” third shot 3/4” away
Brass lightly shiny, real faint ejector button on 2, bolt lifts easy, max load
IMR 4350
88 gr s. 3286
89 gr s. 3322
90 gr s. 3356
I may try H4350
I look at the HH load data and no one is getting these lighter bullets faster as you would guess we should and I believe it is because of powder that is chosen.
235HH — easy 3200 fps
225SH —- easy 3300 fps
213HH —- easy 3400 fps
This is in my rifle but others should be similar. IMR7828ssc looks most promising so far.
Looking forward with attisipation to a 200 HHT and 210-220HHT remember Hammers idea was to drive lighter bullets faster than conventional cup/core. Mindset changes when using these projectiles, get away from heavy for caliber bullets.
213HH-338 RUM
H4350
86 grains— 3265
87 grains — 3304
88 grains — 3361-3343-3362=3355 average 2 in jagged hole one 3/4” away, operator error, I am sure. H4350 doesn’t quite get the speed of 7828ssc but both are accurate. Looking forward to a 210-220 HHT!
338 RUM
Remington brass, new
26” Bartlein barrel
215M federal
1-9.3 twist
3.582 oal 1/4 turn crimp- fits in magazine very well!
RL22
90 gr. 3262
91 gr 3271 going with this load-2 shots almost same hole
92 gr 3365 slight cratering on primer
93 gr 3397 heavy bolt lift shiny brass…too HOT!
91 grains was max in Nosler book for 225 grain looks like it’s pretty close in this rifle.
Going to shoot a couple more three shot groups today. Rifle has 60 rounds thru it.
This should be a real “ Hammer “ on any large game that receives one of these! Am looking at loading some IMR 7828 ssc also but it’s going to be tough to beat RL22 so far.
Went and shot two three shot groups with 91 grains @ 100 yards, on a clean barrel the 1st group went 3325-3333-3300–average 3319 fps
2nd group went 3309-3275-3311–average 3298 fps— best group 7/16” center to center. Was 54 degrees. 3.582 oal, 1/4 crimp.
213H
338RUM
Remington brass, once fired
26” Bartlein
215M
1-9.3 twist
Single feed as too long for magazine
RL22
92 gr s. 3306
93 gr s. 3309
94 gr s. 3332
IMR 7828 ssc
94 gr s. 3314
95 gr s. 3348
96 gr s. 3393. Two shots touching, 3rd 3/4” away
96.5 gr s. 3441-3426-3459=3442 average two shots 3/8” third shot 3/4” away
Brass lightly shiny, real faint ejector button on 2, bolt lifts easy, max load
IMR 4350
88 gr s. 3286
89 gr s. 3322
90 gr s. 3356
I may try H4350
I look at the HH load data and no one is getting these lighter bullets faster as you would guess we should and I believe it is because of powder that is chosen.
235HH — easy 3200 fps
225SH —- easy 3300 fps
213HH —- easy 3400 fps
This is in my rifle but others should be similar. IMR7828ssc looks most promising so far.
Looking forward with attisipation to a 200 HHT and 210-220HHT remember Hammers idea was to drive lighter bullets faster than conventional cup/core. Mindset changes when using these projectiles, get away from heavy for caliber bullets.
213HH-338 RUM
H4350
86 grains— 3265
87 grains — 3304
88 grains — 3361-3343-3362=3355 average 2 in jagged hole one 3/4” away, operator error, I am sure. H4350 doesn’t quite get the speed of 7828ssc but both are accurate. Looking forward to a 210-220 HHT!
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