I wasn't impressed with the 450bm subs noise wise but would love the increased subsonic energy down range
It's just not reeeeal quiet like a 300blk/22lr and I already have a 44mag sub gun as well I on sold the 450bm.
There's just a certain point where subs get too noisy with me that it's not really worth the increase in energy to justify the extra noise
If sited in for 50m you will be having to aim a little high when it's at 20m by 1.5ish ish inches
The closer it is to 50 the less you will have to aim high ie at 35 it will be .75 inch ish higher aim than desired point of impact If you get my drift
Then after 50 it will drop off quite rapidly
I site for 35m with subs and keep shots within 50m but I basically exclusively use 300blk and with subsonic limitations this works great
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