The UK's Finest Independent Forum for Shooters and Gun Owners. Est 2010.

Wow that's impressive! What are the group sizes like?

3/4 MOA which is good enough for CSR

That's good mate! Are you using a straight pull AR?

Dannywayoflife wrote:That's good mate! Are you using a straight pull AR?

Yes

Is T140 available nationwide ?. I cannot seem to find any locally

Available at Bisley.

Col wrote:Is T140 available nationwide ?. I cannot seem to find any locally

As far as I know it is available either from Dolphin GC, Fox Firearms or direct from the supplier at Bisley Camp (not the range office). So no it is not readily available nationwide. The importer can be contacted at commonside@compuserve.com

John MH wrote:Data from Magnetospeed Chronograph for TR140

RUAG Reloads, 24.5 grains TR140, 77grain SMK Seated Magazine Length, CCI BR4 Primer

Shots: 20
Min 2787
Max 2840
Avg 2824
S-D 12
ES 53

Shot Speed
1 2813 ft/sec
2 2829 ft/sec
3 2820 ft/sec
4 2824 ft/sec
5 2823 ft/sec
6 2837 ft/sec
7 2823 ft/sec
8 2832 ft/sec
9 2820 ft/sec
10 2834 ft/sec
11 2824 ft/sec
12 2831 ft/sec
13 2840 ft/sec
14 2840 ft/sec
15 2820 ft/sec
16 2834 ft/sec
17 2821 ft/sec
18 2787 ft/sec
19 2828 ft/sec
20 2810 ft/sec

After shooting this load in a match yesterday I can confirm the accuracy was acceptable for the style of shooting (CSR), however, during the morning match extraction was easy using straight pull AR but in the afternoon it became a little stiffer which I can only put down to the increase in air temp given the sunny afternoon. So is TR140 slightly temperature sensitive, don't know for sure but I'm going to drop the load down by 0.2 of a grain to 24.3 and do somemore chrono and accuracy tests.

John MH wrote:3/4 MOA which is good enough for CSR

Just goes to show what we have become acustomed to and no doubt demand to day, in rifle accuracy.

30 years ago that sort of accuracy would only have been attainable in the most expensive of target guns and double that group would have been the benchmark for quality rifles.....!!