Here are some experiments with my rifles. the rest are written down in my log book. These were in my rifle and may not be safe in other rifles.
Sierra 120 grain Match King, 45.3 grains of H-100V,
Lapua Brass and a CCI BR2 primer. , loaded to a short 3.085 inch COL.
From my 1943 Husqvarna m/38 , this load gave an average of 2,770 fps and a 0.50 inch group with one flyer out to 0.75 inch.
6.5x55mm
120gr Sierra HPBT
43.0gr H-4350
CCI-200
WW Brass
3.00 col, no crimp
2,787 fps m/96
2,649 fps m/38
2,380 fps m/94
0.39 in grp m/96
1.67 in grp m/38
1.66 in grp m/94
no pressure signs
Clean brass
6.5x55mm
120gr NOSLER Bal-Tip
47.0gr RL-22
CCI-200
WW Brass
3.00 col, no crimp
2,724 fps m/96
2,619 fps m/38
0.28 in grp m/96
3.69 in grp m/38
no pressure signs
Clean brass
Aug 30, 2009. temp 65’F
6.5x55mm
140gr Sierra HPBT
46.3gr RL-22
CCI-200
WW Brass
3.055 col, no crimp
2,729 fps m/96
2,622 fps m/38
2,342 fps m/94
0.68 in grp m/96
1.19 in grp m/38
3.20 in grp m/94
no pressure signs
Clean brass
Aug 30, 2009. temp 65’F
6.5x55mm
120gr Sierra HPBT
47.0gr H-414
CCI-200
WW Brass
2.98 col, no crimp
2,815 fps m/96
2,701 fps m/38
2.00 in grp m/96
3.70 in grp m/38
no pressure signs
VERY DIRTY brass
Aug 30, 2009.
temp 65’F
6.5x55mm 120gr Sierra HPBT 47.0gr RL-19 CCI-200 WW Brass 3.00 col, no crimp
2,813 fps m/96 2,693 fps m/38 2,389 fps m/94 0.90 in grp m/96 1.70 in grp m/38
no pressure signs very Clean brass temp 65 degrees F 08/30/2009
Shot from dirty bore.
6.5x55mm
140gr Sierra HPBT
46.3gr H-1000
Fed 210 match
Lapua Brass
3.100 col, no crimp
2,510 fps m/96
0.90 in grp m/96
no pressure signs
very Clean brass
Sept 6, 2009. temp 55’F
6.5x55mm
140gr Sierra HPBT
46.3gr H-4831
Fed 210 match
Lapua Brass
3.100 col, no crimp
2,683 fps m/96
2,545 fps m/38
1.63 in grp m/96
1.12 in group m/38
slight pressure signs
very Clean brass
Sept 6, 2009. temp 55’F
6.5x55mm
140gr Sierra HPBT
44.0gr H-4831
Fed 210 match
Lapua Brass
3.100 col, no crimp
2,532 fps m/96
0.90 in grp m/96
no pressure signs
very Clean brass
Sept 6, 2009. temp 55’F
6.5x55mm
140gr Sierra HPBT
45.0 gr H-4831
Fed 210 match
Lapua Brass
3.100 col, no crimp
2,635 fps m/96
0.83 in grp m/96
no pressure signs very good load for m/96
very Clean brass
Sept 6, 2009. temp 55’F
6.5x55mm Swede
120gr SMK
40.0gr RL-17
Lapua, WW Standard primer
3.050 COL no Crimp
CG-63 2,670fps and 1.5 inch grp
M/96 2,650fps and 1.2 inch grp
Dirty case necks, temp neg 15C
6.5x55mm Swede
120gr SMK
46.0gr H-4831
Lapua brass, CCI-200
3.070 COL no Crimp
CG-63 2,770fps and 1.2 inch grp
M/96 2,664fps and 1.75 inch grp
Clean cases, temp neg 15 C
6.5x55mm Swede
142gr SMK
44.5gr H-4831
Lapua, CCI-200
3.090 COL no Crimp
CG-63.. Not tested due to yaw
M/96.. 2,570fps and 1.5 inch grp
Clean cases, temp neg 15C
6.5x55mm Swede
140gr Sierra game king BT
46.5gr H-1000
Lapua, WW Standard primer
3.100 COL, no Crimp
CG-63 2,612fps and 1.75 inch grp
M/96 2,500 fps and 1.0 inch grp
Medium dirty necks, Temp Neg 15C