As far as picking powders and such, there is not any real difference.
Here is what to expect from the "best" powders in a 22":
Code:
Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 150, Hornady InterBond 30309
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-17 *T 99.1 58.3 3.78 2952 99.2 52500 10852 1.065 ! Near Maximum !
Alliant Reloder-16 *C *T 103.8 56.6 3.67 2927 97.9 52500 10668 1.064 ! Near Maximum !
Ramshot Hunter 103.8 60.1 3.89 2897 95.6 52500 10620 1.075 ! Near Maximum !
Accurate 4350 103.3 57.9 3.75 2896 97.6 52500 10484 1.095 ! Near Maximum !
Norma URP *C 103.5 57.4 3.72 2896 97.5 52500 10424 1.080 ! Near Maximum !
Winchester 760 98.1 58.1 3.77 2891 94.6 52500 10556 1.078 ! Near Maximum !
Hodgdon H414 98.1 58.1 3.77 2891 94.6 52500 10556 1.078 ! Near Maximum !
Vihtavuori N550 *C 100.3 57.4 3.72 2890 97.3 52500 10498 1.087 ! Near Maximum !
Hodgdon CFE223 *C 93.5 57.1 3.70 2890 97.7 52500 10327 1.078 ! Near Maximum !
Ramshot Big Game 93.3 55.7 3.61 2876 98.5 52500 10033 1.080 ! Near Maximum !
IMR 4895 92.5 51.9 3.36 2868 98.7 52500 10035 1.092 ! Near Maximum !
Winchester 748 85.9 51.8 3.36 2860 99.8 52500 9579 1.085 ! Near Maximum !
Hodgdon BL-C2 88.4 54.1 3.50 2859 99.4 52500 9856 1.094 ! Near Maximum !
And here is the 24":
Code:
Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 150, Hornady InterBond 30309
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-17 *T 99.1 58.3 3.78 3016 99.5 52500 9769 1.121 ! Near Maximum !
Alliant Reloder-16 *C *T 103.8 56.6 3.67 2990 98.5 52500 9625 1.121 ! Near Maximum !
Ramshot Hunter 103.8 60.1 3.89 2960 96.4 52500 9620 1.132 ! Near Maximum !
Accurate 4350 103.3 57.9 3.75 2959 98.2 52500 9459 1.152 ! Near Maximum !
Norma URP *C 103.5 57.4 3.72 2958 98.1 52500 9417 1.137 ! Near Maximum !
Winchester 760 98.1 58.1 3.77 2954 95.4 52500 9562 1.135 ! Near Maximum !
Hodgdon H414 98.1 58.1 3.77 2954 95.4 52500 9562 1.135 ! Near Maximum !
Vihtavuori N550 *C 100.3 57.4 3.72 2953 97.9 52500 9494 1.144 ! Near Maximum !
Hodgdon CFE223 *C 93.5 57.1 3.70 2952 98.3 52500 9328 1.135 ! Near Maximum !
Ramshot Big Game 93.3 55.7 3.61 2936 99.0 52500 9043 1.138 ! Near Maximum !
IMR 4895 92.5 51.9 3.36 2929 99.1 52500 9047 1.149 ! Near Maximum !
Hodgdon BL-C2 88.4 54.1 3.50 2918 99.7 52500 8873 1.152 ! Near Maximum !
Winchester 748 85.9 51.8 3.36 2918 99.9 52500 8596 1.143 ! Near Maximum !