Here is the progress with the experimental 22LR prototype made with the guts of a S&W 15-22. The CMMG 22LR kit conversion is on Post #11.
Spacer, bolt assembly, barrel with Cry havoc quick change barrel
Spacer, bolt assembly w/ sear catch plate, barrel with Cry Havoc quick change barrel
1.0 test 2200 RPM
1.2 test 1850 RPM
2.0 test 1000 RPM
Spacer, bolt assembly, barrel with Cry havoc quick change barrel
Spacer, bolt assembly w/ sear catch plate, barrel with Cry Havoc quick change barrel
1.0 test 2200 RPM
1.2 test 1850 RPM
2.0 test 1000 RPM
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