Quote:
Originally Posted by WVDanimal
Kind of a shame really, seems like they were just never perfected nor a big hit. I've always been intrigued by the concept and feel that it would make the perfect predator package.
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It sure seems like a good idea, but at the end of the day, the combo gun will always have its drawbacks.
They're two different barrels, so just like O/U or SxS shotguns, the barrels have to be regulated to some specific range where they'll "intersect", and beyond that, all bets are off. The biggest problem you'll see is that neither barrel REALLY shoots parallel with the centerline of its bore. If all rifles shot exactly where the centerline of the bore pointed, then we'd never have to sight in our rifles at the range. We'd just throw in a laser boresighter and we'd be on our way. But the reality is that that first shot usually misses the laser's mark by a few inches.
The cheap and easy way to "test" whether the barrels are regulated well or not is to use cartridge arbors and laser boresighters. If the two dots line up vertically, you have a chance at finding ranges where you can use the same POA. If they're 4-5" left or right, then you're probably SOL.
The GOOD news is, if you're so inclined, is that you CAN take a double gun to a good gunsmith and for a few hundred bucks can get the barrels re-soldered to re-regulate the barrels.
Again, the cheap (read smart) way is to find a load that the rifle barrel likes (i.e. produces the best groups) and sight in the scope for that load. Then play with different shot loads until you find one that shoots to the same POA, say at 40yrds, like you mentioned.
Honestly, they're a novel idea, but they don't work incredibly well in the real world. I have missed a LOT of opportunities when I was carrying that combo gun and had 2 or 3 dogs come in. It's mighty hard to drop a double with a combo gun, unless you get them almost in your lap before you drop the first one (in general, I would shoot the farther one with the rifle, then swing to the runner with the 00buckshot. My dad used to do it the other way around, shoot the near one with the buckshot then drop the runner with the rifle). A poorly hit dog that needs a follow up rifle shot is pretty much SOL, and a close up runner that needs a repeating shotgun is SOL too.
After 20yrs of back and forth, I'm back to carrying a rifle and a shotgun to every set. No, it's not ideal carrying two guns, but being limited to a single shot of either was more restrictive than it was worth.