300 AAC Blackout 150gr loads?

[212driller]

Hey gang,

For target shooting I'm wanting to reload some 150 gr projectiles.my primarily reason for this is I can use campro fmj for target shooting to reduce costs.

I'm new to 300blk.

I have h4895, imr4895, and h110 for powders.

Anyone have a good recipe to share?

 

[B]

H110 works great, highest velocity outside of Lil' Gun which is notorious for creating ridiculous amounts of heat very quickly.

16.8 grains H110
150grn FMJ-FB (pulled surplus bullets from .30-06, cannelure is very low leaving lots of room)
2.20" OAL
Barnes Brass
CCI-450

Works like a charm and does 1720fps from a 7.5" barrel. Your Campro bullets may take up a bit more room so be sure to start low. This load doesn't seem to be running at max pressure according to my experiences and GRT but the usual safety stuff applies.

 

[Els-]

With H110 you should be between 13.5-16.5grs 1600-1900fps

Ive used imr 4227 with the most success. With subsonic and supersonic loads.

 

[212driller]

Thanks gang. Good place to start!

 

[Els-]

https://www.hodgdonreloading.com/reloading-data-center You can go to the rifle section and it gives some decent info for safe loads.

 

[rdavidson]

i use
16 - 17gr of imr 4227, case length to cannelure