As I have always said I love to get reader mail. I especially love it when I get a question for a future post. Last week I got a message From Scott. Scott asked:
First, thanks for a solid year of interesting posts. I’m not sure if you shoot much distance, but I think it would be interesting to compare .22lr at a moderate distance to larger center fire cartridges at long distances as a training tool. Does .22 at 200-300M have value as a training tool to shoot .308 at 1,000M?
Thanks for writing in Scott and I will start by saying thanks for sticking around for the first year. I am only hoping it is going to get better. I used to be pretty heavy into long range shooting and it was there where I really found my love for honing skills.
Onto your question, (when you can find it) 22lr makes a great trainer for both rifle and pistol. Since Scott asked about rifle we will stick to that subject. The more you practice the fundamentals the better in my opinion. When I was focusing more on rifles I trained a ton with 22lr and did a lot of dry fire practice. Hold Control, Breath Control, Trigger Control, and my Follow Through is what I would focus on because it is all the same whether you are dry firing, using rim fire, or center fire.
Now does the 22 have a training value for the 308…. I say yes. The 22lr and the 308 do have quite a bit in common when it comes to wind drift.
When researching I couldn’t find much on the relation to each other when it comes to drop except for this on the Long Range Hunting forum.
based on my experience and #’s through my set ups both 22 and 308 and running through a ballistics calculator that matches my range results, i came up with a drop comparison(22lr zeroed at 50 yards, .308 at 100yards,drop in inches). once again, this best matches my data, your numbers will probably differ:
22lr 40gr. .075bc 1040fps / .308win 165grSST .447bc 2600fps
22lr drop .308
50yds 0 = 100yds
75yds 2.8 = 175yds
100yds 8.3 = 240yds
125yds 17.6 = 315yds
150yds 30.8 = 380yds
175yds 47.3 = 450yds
200yds 68.7 = 510yds
225yds 92.5 = 560yds
250yds 123.9 = 630yds
275yds 158.2 = 690yds
300yds 199.9 = 770yds
325yds 248.8 = 820yds
350yds 304.8 = 880yds
375yds 367.9 = 940yds
400yds 437.6 = 987yds
I will say the downfall to training with the 22 for shooting 308 is obviously going to be lack of recoil but as I said before the solid foundation of fundamentals are still what are building on and the question was is it a good training tool and I still am sticking with it being a great tool.
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