This is straight form Noslers site...
223 Remington
40gr Ballistic Tip®
Primer: Remington 7-1/2
Ballistic Coefficient: .221
Sectional Density: .114
* Most Accurate Load Tested
Powder: RL 7
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
23.5* 3614 fps 87%
22.5 3492 fps 84%
21.5 3370 fps 80%
Powder: Varget
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
27.0 3383 fps 100%
26.0 3247 fps 96%
25.0* 3111 fps 93%
Powder: Viht N120
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
23.5 3810 fps 80%
22.5 3677 fps 77%
21.5* 3543 fps 74%
I'm loading some Nosler Partitions in 60 grain. I'm using IMR 4198. Here are the specs on it.
223 Remington
60 gr. Partition® & 60 gr. Ballistic Tip®
Primer: Remington 7-1/2
Ballistic Coefficient: PT .228 BT .270
Sectional Density: .171
* Most Accurate Load Tested
Powder: IMR4198
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
20.0 2933 fps 72%
19.0* 2807 fps 69%
18.0 2680 fps 65%
Powder: Benchmark
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
23.5 3136 fps 85%
22.5* 3048 fps 82%
21.5 2932 fps 78%
Powder: RL-15
Charge Weight (in grains) Muzzle Velocity (fps) Load Density
25.5* 3078 fps 92%
24.5 2899 fps 89%
23.5 2809 fps 85%
With that 40 grain, it looks like you'll get close to 3800 fps, but according to their stats, it's probably not a very accurate load though. My theory is with a heavier bullet, I hope to get a more accurate load.
MS