Today I got to fire my HERCO 5.56 load in 10.5 inch barrel.
A friend invited me to an indoor range he frequents.
I fired it using H3 buffer.
No high pressure signs (it is a lower pressure load)
However brass was not extracted/ejected.
Repeated this using STD buffer.
Brass was not extracted/ejected.
I own a very old light-weight bolt carrier purchased in the 1980s (for no good reason.)
Next time will try firing with STD buffer and light-weight bolt carrier.
I suspect it will not extract & eject, and my 6 pounds of HERCO powder will never be used.
A friend invited me to an indoor range he frequents.
I fired it using H3 buffer.
No high pressure signs (it is a lower pressure load)
However brass was not extracted/ejected.
Repeated this using STD buffer.
Brass was not extracted/ejected.
I own a very old light-weight bolt carrier purchased in the 1980s (for no good reason.)
Next time will try firing with STD buffer and light-weight bolt carrier.
I suspect it will not extract & eject, and my 6 pounds of HERCO powder will never be used.