Reference / Paper · 2006
The C.I.P. cartridge and chamber dimension sheet for the 7,63 Mauser (dated 84-06-14, revised 06-09-19), with maximum pressure. The Bergmann 1896/1897 and Borchardt C-93 dives use it for the 7.63 mm cartridge's dimensions against the earlier 7.65 Borchardt.
7,63 Mauser C.I.P. Country of Origin: DE TAB. IV Date 84-06-14 Revision 06-09-19 CARTRIDGE MAXI r2 G 1 Lengths L1 1)* L2 1)* L3 1) L4 L5 L6 H2 H1 S L6 P2 L2 L1 P1 L3 α δ = = = = = = Case Head R = R1 = R3 = E = E1 = e min = = δ f = = β 19.28 21.10 25.15 1.27 9.98 3.72 8.73 0.90 20° 0.30 45° Powder Chamber e min β f E R G h 1 G H2 H1 α1 L2 L1 L3 α P1 r1 m ax S P2 = = = 19.21 20.98 25.50 Breech R R1 R2 R3 r = = = = = 1.27 10.03 9.86 9.60 Junction Cone = 34°46'47" α S = 34.61 r1 min = r2 = 2.50 Junction Cone = 31°50'53" α 1) S = 36.10 r1 max = 2.50 r2 = 2.50 Collar H1 * H2 1) = = 8.46 8.46 Collar H1 * H2 1) Projectile G1 1) G2 F L3+G 1) = = = = 7.86 = = 28.22 r2 F Lengths L1 * L2 * L3 1) Powder Chamber E = 3.72 P1 1) = 9.93 -0.20 P2 * = 9.64 P1 P2 1)* i -0.20 -0.20 35.08 E1 R1 CHAMBER MINI Pressures (Energies) Method Transducer Pmax = 2250 bar PK = 2588 bar PE = 2925 bar M = 17.50 E R1 Notes: Dimensions in << mm >> Dimensions and Tolerances for Proof Barrels see Appendix CR 1. 8.63 8.55 Commencement of Rifling G1 1)* = 7.90 G 1)* = 3.07 = 90° α1 h* = 0.33 s = i 1) = 2°55'30" w = Barrel F 1)* Z 1) = = 7.62 7.85 Grooves b N u Q = = = = 2.65 6 250.00 47.47 Miscellaneous Dimensions Fe 1)3) = 0.20 delta L = Scale 1.31:1 = = 1) Check for safety reasons 3) Headspace on Shoulder * Basic dimensions Reproduction forbidden as well as in the form of extracts without approval of C.I.P. mm²