Question about a .50 cal bolt face

[ralfabco]

Does the 12.7x99 and 12.7x108 (R) have the same bolt face dimensions ?

I wanted to explore options and consider a custom 12.7x108mm barrel.



Yes, high school is out and kids have a lot of spare time.

Thanks for your interest.

 

[THEIS]

Hi,

50BMG (12.7x99)

Neck diameter	.560 in (14.2 mm)
Shoulder diameter	.735 in (18.7 mm)
Base diameter	.804 in (20.4 mm)
Rim diameter	.804 in (20.4 mm)
Rim thickness	.083 in (2.1 mm)
Case length	3.91 in (99 mm)
Overall length	5.45 in (138 mm)
Case capacity	292.8 gr H2O (18.97 cm3)

12.7x108

Neck diameter	13.95 mm (0.549 in)
Shoulder diameter	18.90 mm (0.744 in)
Base diameter	21.75 mm (0.856 in)
Rim diameter	21.70 mm (0.854 in)
Rim thickness	1.90 mm (0.075 in)
Case length	108 mm (4.3 in)
Overall length	147.50 mm (5.807 in)
Case capacity	22.72 cm3 (350.6 gr H2O)

Sincerely,
Theis

 

[ralfabco]

Thank you.