Results with Savage 12 FV 6.5mm Creedmoor

[CFJunkie]

The following are the results for the morning of May 22^nd shot in Northern Virginia at 100 yards.
Temperatures were from 60 to 69 degrees with winds from 3 to 6 mph.
Altitude of the range is 250 feet above sea level.
All rounds were shot with a Savage 12 FV 6.5mm Creedmoor using Lapua brass and CCI BR-4 primers and all bullets were loaded to achieve 1.360 msec. exit time that should be in the sweet spot for the 26-inch Savage 3% carbon steel barrel with a 0.040 inch recessed crown to put the 12^th reflection at the chamber.

# Grps	Load Description	Bullet	Wgt	Vel	Avg	Median	St Dev	1	2	3	4
3	IMR4451 38.9 gr 2.857 1.911 wf 1.360 *67/69 deg F. 35 in-lbs.	Sierra TMKing #7430	130	2698	0.347	0.348	0.010	0.336	0.348	0.356
3	IMR4350 41.0 gr 2.825 1.910 wf 1.360 * 65/67 deg F. 35 in-lbs.	Hornady ELD-M # 26331	140	2673	0.470	0.506	0.133	0.323	0.506
4	IMR4451 38.8 gr 2.823 1.909 wf 1.360 * 61/64 deg F. 35 in-lbs.	Berger Match # 26401	140	2665	0.379	0.364	0.049	0.338	0.358	0.370	0.450
3	IMR4451 38.9 gr 2.820 1.908 wf 1.360 * 57/60 deg F. 35 in-lbs.	Sierra SMK #1742	142	2659	0.379	0.360	0.076	0.314	0.360	0.463
13					0.377	0.357	0.061

The overall average of all groups has dropped from 0.388 to 0.386, although the average for the 35 in.-lbs. torque settings has dropped to 0.383 compared to the average of 0.438 for the 45 in.-lbs. torque settings.

	Torque	Avg.	Median	St Dev	# Grps
	35 in.-lbs.	0.383	0.372	0.074	79
	45 in.-lbs.	0.438	0.456	0.071	12

A summary of all loads shot to date shows the following for all loads shot regardless of the torque settings:

	5-Round Groups by Bullet Weight
Wgt	Avg	Median	St Dev	# Grps
130	0.369	0.351	0.071	27
140	0.412	0.401	0.094	31
142	0.372	0.367	0.046	16
147	0.378	0.374	0.053	17
	0.386	0.372	0.075	91

Looking at the results by Powder used shows:

	Powder	Avg	Median	St Dev	# Grps
	IMR4350	0.377	0.373	0.062	36
	IMR4451	0.391	0.372	0.074	50
	RL-17	0.401	0.329	0.157	5
Torque	Powder	Avg	Median	St Dev	# Grps	Diff
35	IMR4451	0.376	0.360	0.070	38
35	IMR4350	0.377	0.373	0.062	36	0.14%
35	RL-17	0.401	0.329	0.157	5	6.48%
45	IMR4451	0.438	0.456	0.071	12	16.53%