Quick little build log for a .50 done on a Vltor VIS1
started with, a vltor vis-1
Standard 5.56 opening. notice the "lip" on the bottom.
Just for reference, this is how a standard ejection port would handle a .50
Measure 5, 6, .... cut once
Clean up time. the shell deflector ended up coming off later for a deep clean
Barrel specs:
Satern Machine
7.5" 12.7x42
Stainless Steel button rifled
49/64x20 threads
.875 gasblock
finished in tefon
matched bolt
and one to put it in perspective
started with, a vltor vis-1
Standard 5.56 opening. notice the "lip" on the bottom.
Just for reference, this is how a standard ejection port would handle a .50
Measure 5, 6, .... cut once
Clean up time. the shell deflector ended up coming off later for a deep clean
Barrel specs:
Satern Machine
7.5" 12.7x42
Stainless Steel button rifled
49/64x20 threads
.875 gasblock
finished in tefon
matched bolt
and one to put it in perspective