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+--- Thread: Thoughts on velocity - 105 MKZ (/showthread.php?tid=25006)
Thoughts on velocity - 105 MKZ - bmash - 10-07-2022
My best group is at 2550/s. I know advertised opening velocity for the MKZ is 1500/s which takes it to about 600 yards. (Which I doubt I will do.)
Question - Does this sound like an adequate velocity to cleanly kill deer out to 3 or 400 yards?
(18 Lilja barrel, AR15, 105 MKZ, 28.4 gr of XBR8208 powder, R7.5 primer, 2.26 COAL, about 80 degrees, 100 yards. 4 shots make a 0.45 group with only 0.4 vertical spread. I shot a 5 shot group with one shot making the group about 0.8)
Thoughts on velocity - 105 MKZ - LRRPF52 - 10-07-2022
Run the ballistics on that load.
Look at the 300-400yd velocities.
If they are in excess of Mach 1.2/1300fps, it will plow through tissue with a high chance of exit on a broadside shot through heart/lungs.
That bullet will be going way faster than that at 300-400yds.
With deer though, you should be able to stalk into closer ranges in most terrain.
If you get a lot of trigger time out to 600yds, it will increase your confidence in making vital zone hits at 300-400yds.
I recently spent 3 days running a private LR clinic for a guy who landed a limited bull elk tag.
We spent the 1st day shooting on a 1000yd flat range, 2nd day doing field positions out to 800yds with tripod, bipod, bags, and pump pillows on 12 steel plates.
He came back for a follow-up field shooting session out to 800yds, fine-tuning his equipment and LR shooting right before leaving for the guided hunt.
Bagged a beautiful bull elk at 850yds the next weekend.
He was shooting 300 PRC though. 212gr ELD-X, suppressed.
Do you have any ranges near you that will allow 500-600yds by chance?
Thoughts on velocity - 105 MKZ - bmash - 10-08-2022
LRRPF52 Wrote:Run the ballistics on that load.
Look at the 300-400yd velocities.
If they are in excess of Mach 1.2/1300fps, it will plow through tissue with a high chance of exit on a broadside shot through heart/lungs.
That bullet will be going way faster than that at 300-400yds.
With deer though, you should be able to stalk into closer ranges in most terrain.
If you get a lot of trigger time out to 600yds, it will increase your confidence in making vital zone hits at 300-400yds.
I recently spent 3 days running a private LR clinic for a guy who landed a limited bull elk tag.
We spent the 1st day shooting on a 1000yd flat range, 2nd day doing field positions out to 800yds with tripod, bipod, bags, and pump pillows on 12 steel plates.
He came back for a follow-up field shooting session out to 800yds, fine-tuning his equipment and LR shooting right before leaving for the guided hunt.
Bagged a beautiful bull elk at 850yds the next weekend.
He was shooting 300 PRC though. 212gr ELD-X, suppressed.
Do you have any ranges near you that will allow 500-600yds by chance?
Thanks! That is what I was looking for. Ballistics show above 1500 expansion number to about 600.
BTW - I have shot 600 yard completion and some PRS so I can do that with no issue. We have several pipelines that go to about 600, but deer sure look small out there at dusk! Cant really stalk them. We are normally in a box or tree stand so by the time you get down and walk they are long gone. Woods are thick (pine forest, clear cut, etc) and they are typically only moving right before dark and at dawn. I typically use a 260 Remington on the pipelines but I occasionally have chances while doing drives and walking around.
Again, Thanks!