4.030"

0.180"

5.267"

30 deg. chamfer 2 plcs.

Ruger MK I Receiver

Material: 1x 0.125 wall DOM Steel tubing.

1x 0.120 wall tubing should work OK.

2.030"

2.130"

1.505"

0.225"

1.828"

45 deg. chamfer

0.470"

0.250"

0.312 dia thru

hole

0.500"

0.325"

1.300"

60 deg. chamfer

0.125 Dia.

C'bore to 0.765 dia. x 0.6 deep

Internal 13/16 x 20 thread 0.55 deep

to match barrel thread

0.773"

0.817"

35.000°