Took deer in `11 and `12 with these.One shot to the lungs or heart.
This year I used 64g power points.One shot to the lungs.
Non of the deer made it past 100 meters.
1 in 8 18"barrel.
Re: DBM systems pros and cons
I have a stockys/ Wyatts DBM. I had to take a small file to the mag catch on both 5rd mags I have.They wouldn't drop free/would hang up.
But after a 5 minutes file job,both work great now.