duck911

December 20, 2009, 12:25 AM

Well, my son and I headed to the range today. We ran some reloads from my new Rock River AR (20" barrel NM lower)

The loads were more or less based on Ramshot's load guide., I used Federal 205M primers, TAC powder, and 55 GR Noslers.

Here were the results:

http://home.comcast.net/~duck911/23.4.jpg 23.4 GR TAC

http://home.comcast.net/~duck911/23.8.jpg 23.8 GR TAC

http://home.comcast.net/~duck911/24.2.jpg 24.2 GR TAC

http://home.comcast.net/~duck911/24.6.jpg 24.6 GR TAC

http://home.comcast.net/~duck911/25.jpg 25 GR TAC

http://home.comcast.net/~duck911/25.4.jpg 25.4 GR TAC

http://home.comcast.net/~duck911/25.8.jpg 25.8 GR TAC

The mediocre groups hover between 3/4" and 1"

I don't have any ballistic software, but it looks to me like I also have two "nodes" around 23.4/23.8 and again around 25.4/25.8 with really good 1/2 inch groups on the high end.

My goals: Reliable prairie dog and varmint hunting loads accurate enough to take vermin out to 200 or 300 yards.

My first question is: Does anyone think I have identified a couple of loads at the top end of my powder charges?

I am new enough at this where I don't know if I have something worthwhile at the 25.4/25.8 loads. I am no marksman and 1/2" groups tickles me pink, to be honest. The loads were seated to SAAMI specs and I have not experimented with seating depth.

My AR has less than 50 rounds down the pipe. Do I load more around 25.6 GR TAC and shoot for groups out to 200 yards, and if they're tight, call it a day?

Do I try to shrink these groups into one-holers?

I believe my AR will shoot better than I will, just not sure what to do from here.

Don't get me wrong though, I am thrilled with the results, considering these are my first .223 reloads and forst with this rifle.

thanks,

--Duck911

The loads were more or less based on Ramshot's load guide., I used Federal 205M primers, TAC powder, and 55 GR Noslers.

Here were the results:

http://home.comcast.net/~duck911/23.4.jpg 23.4 GR TAC

http://home.comcast.net/~duck911/23.8.jpg 23.8 GR TAC

http://home.comcast.net/~duck911/24.2.jpg 24.2 GR TAC

http://home.comcast.net/~duck911/24.6.jpg 24.6 GR TAC

http://home.comcast.net/~duck911/25.jpg 25 GR TAC

http://home.comcast.net/~duck911/25.4.jpg 25.4 GR TAC

http://home.comcast.net/~duck911/25.8.jpg 25.8 GR TAC

The mediocre groups hover between 3/4" and 1"

I don't have any ballistic software, but it looks to me like I also have two "nodes" around 23.4/23.8 and again around 25.4/25.8 with really good 1/2 inch groups on the high end.

My goals: Reliable prairie dog and varmint hunting loads accurate enough to take vermin out to 200 or 300 yards.

My first question is: Does anyone think I have identified a couple of loads at the top end of my powder charges?

I am new enough at this where I don't know if I have something worthwhile at the 25.4/25.8 loads. I am no marksman and 1/2" groups tickles me pink, to be honest. The loads were seated to SAAMI specs and I have not experimented with seating depth.

My AR has less than 50 rounds down the pipe. Do I load more around 25.6 GR TAC and shoot for groups out to 200 yards, and if they're tight, call it a day?

Do I try to shrink these groups into one-holers?

I believe my AR will shoot better than I will, just not sure what to do from here.

Don't get me wrong though, I am thrilled with the results, considering these are my first .223 reloads and forst with this rifle.

thanks,

--Duck911