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The Gun Shots
April 29, 2013
Slug Gun Upgrade: 5 Ways to Make Your Shotgun More Accurate - 2
by Tony Hansen
Hunting big game with a rifle is not permitted in many parts of the country. Gun hunters in those areas are left to tote shotguns that are usually better suited to dumping grouse at close quarters than collecting venison at longer range. A modern saboted shotgun load is perfectly capable of delivering lethal performance at distances well beyond 100 yards. But can you put that projectile where it needs to go?
Dave Klotz of Da Mar Gunsmiths, a small shop located in Weedsport, N.Y., says you can with some modifications to your shotgun.
Here’s what Klotz did to my Remington 870 at a cost of $487.
Klotz developed his pinning process about 35 years ago. He drills a hole through the side of the receiver and through the shank of the barrel, then inserts an Allen head screw to about five threads deep. The result is a barrel that doesn’t wiggle.
Improve the Bore
The high polish in the bore after lapping helps minimize plastic buildup from sabots, which can degrade accuracy. Extending the forcing cone gives the slug a better transition into the rifling, Klotz says.
Fix the Trigger
The Da Mar mount uses six screws (three per side), and each screw is located on the sides of the receiver where the metal is thickest. It features a Weaver-style rail and rings.
I shot six different loads, recording the best five-shot groups for each at 100 yards. I shot as I always have—off a picnic table with sandbags. While I wasn’t able to duplicate the 1.5-inch groups that the Da Mar guys got with Lightfield slugs, I was able to print the first 3-inch group I’ve ever shot with a shotgun, which is a far cry from what I had previously been able to do.
Winchester Platinum Tip
Winchester Partition Gold