More, kan iemand my asb help met Quick load data. Ek is besig met lading ontwikkeling van twee gewere van my, beide 308. Ek ktry min info van 22" met 1:14 twis wat beide van myne is.
Hier is n klomp info van n nuwe Howa:
Barrel 22" Howa
Twist 1:14 ( cleaning rod draai 1.5 turns oor barrel lengte van557mm)
Bullet: 150gr core bonded flat base Quest bullet
Bullet length: 25.75mm
Powder: S341
Brass: Starline
Brass length: 50.87mm
Primer: Winchester WLRM, Magnum
OAL: 71.4mm
Max chamber length 72.7mm
H2O volume 54.8-54.9gr (case+primer= 179.6-179.9gr & fired length 50.8-50.87mm)
Load: 46gr @ 2806ft/s (2799.1, 2808.7, 2809.5, 2831.8 ( grouping 85mm H x 54mm V @ 200m)
Load: 47gr @ 2847ft/s (2849.5, 2846.6) grouping 20mm H x 30mm V @ 200m
H= horisontal
V=vertical
Groetnis
.308 Herlaai data
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tripodmvr
- Administrator
- Posts: 21608
- Joined: Fri Mar 11, 2011 8:31 pm
Re: .308 Herlaai data
Die 47gr lading is by maks druk.
Probeer die volgende :-
Node 4 1/2 45.6gr 2785vps Druk 56K psi
Node 4 43.5gr 2670vps
Probeer die volgende :-
Node 4 1/2 45.6gr 2785vps Druk 56K psi
Node 4 43.5gr 2670vps
.22 Krico, Howa 223 Varminter, 243 AI Musgrave RSA, Ruger RPR 243, P14 - 7 x 64, BSA 303 Sporter, 375 H&H Musgrave, 30-06 Ruger No. 1A, Khan O/U 12br, Norinco O/U 12br
