Benchmark Powder

Brux

Sergeant
Full Member
Minuteman
Nov 12, 2013
828
102
GA
I have a bunch of 223/556 range pick up and 4LBS of benchmark sitting around. Was wondering if anybody used it with Hornady 55GR FMJBT's
 
Hodgdon lists 25.3 gr as a max with a 55, which makes 3260 FPS at 50k psi. Seems
Like a good combo. I use benchmark in the 20 Practical with 39’s and 25.5 gr. Benchmark is a good powder.
 
Your good to go. I have run 25 grains on a 75 grain bullet in a ar. Not the smartest thing I have ever done but it held together just fine.
 
Your benchmark and the 55's will work very well together. load up a couple batches of test loads @ 24-25 grains, check for pressure signs and then pick your load & go.

My current favorite powder for my Wylde AR's is 8208 XBR. Good in all bullet weights.