Another_Kelley
Member
Lately I acquired a couple different .355s to play with - all of which are 115gr - 124gr. I've used 147gr bullets exclusively up to this point and got excellent suppressed results with an Octane can using both Unique & V-3N37. Very pleasant to the ear, fun to shoot etc ...
That all changed when I tried those two powders with a 124gr fmj round-nose. The best way I can describe it - is a "first round pop" - every round. Even downloaded into the 950fps territory - I'm hearing a VERY different report compared to a 147gr bullet with the same powders.
This morning I was able to find a can of Tightgroup I had tucked away- ended up in the neighborhood of 3.5gr under a 124 before I started getting an 'acceptable/comparable' report to that of the 147s - however I still feel like the 147s with 3N37 are noticeably quieter.
I have a feeling this is no doubt a well known phenomena to everyone (but me) out there loading lighter 9mm sub sonic ammo... I'd love to hear what your favorite powders/recipes & ultimately secrets are for getting the 115s & 124s to not bark so loud - Thanks!
That all changed when I tried those two powders with a 124gr fmj round-nose. The best way I can describe it - is a "first round pop" - every round. Even downloaded into the 950fps territory - I'm hearing a VERY different report compared to a 147gr bullet with the same powders.
This morning I was able to find a can of Tightgroup I had tucked away- ended up in the neighborhood of 3.5gr under a 124 before I started getting an 'acceptable/comparable' report to that of the 147s - however I still feel like the 147s with 3N37 are noticeably quieter.
I have a feeling this is no doubt a well known phenomena to everyone (but me) out there loading lighter 9mm sub sonic ammo... I'd love to hear what your favorite powders/recipes & ultimately secrets are for getting the 115s & 124s to not bark so loud - Thanks!
