Pack_Rat:
Hope this will clear up some of your questions.
ARGENTINE Mauser 7.65X53 Ammunition
Introduced: 1889
Countries Used: Belgian
Bolivia
Columbia
Ecuador
Peru
Turkey
Other Names: 7.65mm Mauser
Type: Rimless, Necked
Centerfire
Overall Length: 3.06"
Avg. Wgt: 417 Gr.
Type Pwdr: Nitrocellulose
Approx. Chg: 39.5Gr.
Primer: Boxer, Berdan 5.5mm
Cartridge Case:
Length: 2.09"
Lngth Head to shoulder 1.75"
Shoulder length: .10"
Neck length: . 24"
Dia. At Rim .474"
Base: .470"
Neck: .340"
Shoulder: .425"
Bore . 301"
Groove . 311"
Twist: 9.8
BULLET:
Type: Jacketed Rnd. Nose
Dia. .311"
Wgt. 1)150
2)174
3)175
4)180 Norma
5)185 BT Military
6)211 Military
7)150 Norma SP
M-Velocity: M-Energy:
1)2810 f.p.s. 2638 ft.lb.
2)2590 2600
3)2560 2550
4)2590 2685
5)2467 2510
6)2132 2150
7)2920 2841
Length: 1.20"
BALLISTICS: (Approx)
Pressure: 39000 lb./sq.in.
Twist: 10"
Cases can be made from empty 30-06 or 7.7mm Jap Brass Bullet sizes which can be used with reasonable accuracy .311/.312
HJN
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