221 Fireball

In my Remington XP-100, 40gr & 50gr Sierra BlitzKings and/or 40gr & 50gr Hornady V-MAX have worked well using IMR 4227. Although I haven't done any serious testing, these combo's look very promising so far. I assume however, you're loading for the cartridge in a rifle and I see the loads for it differ somewhat compared to single shot handgun loads.
todbartell has one I believe and he could probably help you out.
 
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here's some loads for my 221 (CZ 527 American)

221 Fireball CZ 527 22"

30 gr. - Berger @ 1.825", 16.0 grs Lilgun, CCI400 ~ 3760 fps, .67" 5 shot 100m

40 gr. - Nosler Ballistic Tip @ 1.830", 15.7 grs Lilgun, F205M ~ 3398 fps, 1.7" 5 shot
- Nosler Ballistic Tip @ 1.905", 16.0 grs Lilgun, F205M ~ 3535 fps, .92" 3 shot 100m
- Nosler Ballistic Tip @ 1.915", 19.0 grs H4198, F205M ~ 3150 fps
- Nosler Ballistic Tip @ 1.905", 19.4 grs RL7, CCI 400 ~ 3185 fps avg, .67" avg 3 shot
- Nosler Ballistic Tip @ 1.905", 19.6 grs RL7, F205M ~ 1.55"
- Nosler Ballistic Tip @ 1.905", 19.8 grs RL7, F205M ~ .9" 5 shot
- Hornady Vmax @ 1.870", 15.5 grs Lilgun, CCI400 ~ 3412 fps, .9MOA
- Barnes Varminator @ 1.830", 15.9 grs Lilgun, F205M ~ 3384 fps avg, .84MOA

45 gr. - Barnes TSX @ 1.89", 15.0 grs Lilgun, CCI400 ~ 3280 fps, 1" 3 shot @ 100y

50 gr. - Hornady SPSX @ 1.897", 18.5 grs H4198, F205M ~ 2905 fps
- Hornady SPSX @ 1.87", 5.5 grs Bluedot, F200 ~ 1760 f/s, .75moa
- Speer TnT @ 1.830", 14.5 grs Lilgun, F205M ~ 3039 fps, MOA
- Speer TnT @ 1.830", 18.5 grs H4198, F205M ~ 2970 fps - bad accuracy
- Speer TnT @ 1.89", 4.0 grs Bluedot, CCI400 ~ 1275 fps
- Speer TnT @ 1.89", 8.5 grs Bluedot, CCI400 ~ 2255 fps

52 gr. - Sierra MK @ 1.873", 18.5 grs H4198, F205M ~

55 gr. - CT Ballistic Silvertip @ 1.956", 18.5 grs H4198, F205M ~ 2965 fps, MOA
 
Any of you people getting better accuracy from hand loads than factory fodder?
Again, I just have the Remington XP-100 and I've really only started playing with loads for it. Actually, I've never shot anything out of it other than handloads. I've never really looked but I've never 'noticed' factory loads for sale.
 
Remington only makes one load, the Premier Accutip 50grain, which I believe is a Hornady Vmax with a tan colored tip
 
Remington only makes one load, the Premier Accutip 50grain, which I believe is a Hornady Vmax with a tan colored tip
;)I'll have to see if I can pick up a box, if nothing else other than to be a combination of associated sales 'goodies' to go with it, should I decide to sell it.;)I've got the Remington zipper case that the XP-100 came with.:)
 
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