THE HANDLOADING BENCH 6mm NORMA BENCH REST (Part 6)
DATA... RESULTS (77gn HP Factory Load as a benchmark: Average 0.5 inch group, 3221 fps / ES: 26 fps - 4 groups) Primer Powder
88gn Berger HBC-FB R7½BR 29.0-31.0gn Viht N135 CCI-BR4 28.4-30.3gn IMR-3031
90gn Lapua Scenar F205M 29.0-30.3gn Allt. Re15 F205M 30.3-30.9gn Allt. Re15 F205M 30.5-31.1gn Allt. Re15 F205M 28.5-29.6gn H. VarGet F205M 29.8-30.6gn H. VarGet F205M 29.0-29.9gn H. VarGet F205M 30.8-31.3gn H. VarGet F205M 31.0-31.8gn Viht N540 F205M 30.0-30.4gn Viht N540
90gn Lapua Silver Scenar (Moly-Coated) F205M 30.3-30.9gn Allt. Re15 CCI-BR4 28.0-30.0gn H4895
95gn Berger VLD R7½BR 28.5-30.5gn H. VarGet R7½BR 30.5gn H. VarGet R7½BR 30.5gn H. VarGet R7½BR 28.5-30.5gn Viht N540
105gn Berger VLD R7½BR 29.0-30.5gn H. VarGet CCI-450 29.4-28gn H. VarGet CCI-BR4 29.7gn H. VarGet CCI-BR4 29.7gn H. VarGet R7½BR 28.4-30.3gn Allt. Re15
105gn Lapua Silver Scenar (Moly-Coated) R7½BR 30.0-31.0gn H. VarGet R7½BR 29.7-30.5gn H. VarGet CCI-BR4 30.6-31.0gn H. VarGet CCI-BR4 31.1-31.5gn H. VarGet CCI-BR4 31.5gn H. VarGet Rem7½BR 31.5gn H. VarGet CCI-BR4 31.5gn H. VarGet Rem7½BR 31.5gn H. VarGet
105gn Hornady A-Max R7½BR 28.5-30.5gn Viht N150
105gn Hornady A-Max (Factory Moly-Coated) CCI-BR4 31.1-31.5gn H. VarGet CCI-BR4 27.5-29.5gn H4895
107gn Sierra MatchKing CCI-BR4 29.0-30.0gn H. VarGet R7½BR 29.2-30.2gn H. VarGet R7½BR 28.5-30.5gn Viht N150 R7½BR 29.2-29.8gn Viht N150
108gn Berger BT (Barrel Well Worn) R7½BR 28.0-29.5gn H. VarGet R7½BR 28.0-30.0gn Allt. Re15 R7½BR 31.5-33.2gn Viht N550
Steps 0.5gn 0.6→0.4→0.3gn
0.4→0.3gn 0.2→0.1gn 0.2→0.1gn 0.3gn 0.2gn 0.1gn
0.2→0.1gn 0.2gn 0.1gn
0.2→0.1gn 0.5→0.3gn
0.5gn - -
0.5gn
0.5→0.3→0.2gn 0.2→0.1gn - -
0.5→0.3gn
0.3→0.2gn 0.2gn 0.1gn 0.1gn - - - -
0.5gn 0.1gn 0.5→0.3→0.2gn
0.3→0.2gn 0.2gn 0.5gn 0.2gn
0.4→0.3gn 0.5gn
0.5→0.3gn Groups
0.31-0.48” 0.35-0.75”
0.44-0.69” 0.4-0.8”
0.54-0.71” 0.25-0.51” 0.42-0.74” 0.25-0.85” 0.45-0.85” 0.4-1.1”
0.53-0.81”
0.4-0.8” 0.45-0.7”
0.25-0.85”
0.62” (average) 0.63” (average) 0.35-1.6”
0.29-0.7” 0.29-0.67”
0.35” (average) MV/ES
not recorded 3,113/22
2,847/27 n/r
2,993/15 2,782/16 2,915/27 2,846/13 n/r n/r
2,884/18 n/r 2,912/11
2,904/29 2,893/34 2,793/46 2,961/42
2,828/27 n/r
2.732”; 4.558”; 3.239”; 6.812” 0.36-0.75”
0.41-1.2” 0.59-1.6” 0.4-0.9gn 0.4-0.9”
0.47” average 0.5” average 0.38” average
2.1”; 2.25”; 4.25” 0.5-1.35”
0.4-0.9” 0.53-1.0”
0.46-1.6” 0.45-0.82” 0.33-0.6” 0.24-0.6”
0.21-0.76” 0.46-0.76” 0.32-0.95”
n/r
n/r n/r
2,732/15 2,809/26 n/r
2,690/17
2,721/16 2,720/27 2,873/22
2,731 ES:34 SD:9 2,761/34
2,809/24 2,797/25 2,769/20 2,900/17 2,883/25 2,915/32 n/r
Poor conditions Comments
Poor conditions. Bullets Into lands All ≤0.45” bar 30.3gn. Bullets into lands
Poor conditions Strong crosswinds
(29.9gn = small group). Windy Poor conditions
Poor cond. Top load warm!
Four by 5-round groups Five by 5-round groups . Barrel worn!
Small group 29.5gn = 2,739/31 4 e4x 5 groups <0.5” three by 5-round groups
600yd BR Comp, blustery Conditions – 2nd Well worn barrel!
place!
Bullets 0.015” into rifling
Small group = 30.6gn – 2720/25 fps Three by 5-round groups
Four by 5-round groups VS stock Two by 5-round groups Shehane stock 400yd. Diggle Fly Shoot Wet and windy!
Poor conditions
Poor conditions Poor conditions
Bullets 0.015” ‘out’ Bullets 0.025” ‘out’ Poor conditions
Bullets 0.015” ‘out’
Small group = 28.4gn 2613/19fps Small group = 32.5gn 2798 fps
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