My Win 1200 full choke and slugs

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john l

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Mar 1, 2003
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Went out to the range today. Shot my old 1200 winchester 30in barrel with a full choke with slugs. A couple of years ago, you couldn't have gotten me to do this, but since Mr. McCracken (hopefully I spelled that right) said that it was perfectly safe, I went for it.
Well, a nice surprise. at 50 yards I have a 3.5 inch group of 4 slugs. This makes for a real accurate slug thrower. SG has a bead sight. I was using the Fed tactical one ounce slug. Was real pleased. Another nice thing was that at 50 yds, the POA and POI were virtually the same, whereas my short barrel bead sighted SG you have to aim lower for where you want to hit, coz it shoots high. Oh, yeah, at 50 yds, I had a wad hit the target and tear a half moon shape in it. I know that wads tear tgts easily at 25, but I hadn't had one go out to 50 yds before.
I used to think that the "rifling" on the slugs was so that the slug will spin in the air, but looking at a slug I cut out of a live round, there is a band around the base of the projectile that goes as high as the rifling. Seems to me that would shoot my theory out of the water. So why the rifling? Oh, well, muskets were accurate out to, what, 100-125 yards? Accurate being a relative term, here in this context.
Another thing that I did with this gun was I put a " plus 5 " extension on the end. Did that about 6 months ago. Sucker holds 11 total rounds now of 2 3/4 inch shells. I have heard people complain about the gun being heavy, but since I can empty the whole thing in about 5 seconds, then it isn't an issue. I ought to take this shotgun to a Louis Awerbuck class, and see how fast he goes ape s**t, coz he hates mag extensions on SGs.
john l.
 
The "rifling" is basically just to provide a bearing surface so that the slug will fit snugly in the bore, regardless of diameter. They swage down as needed. The "Ring" at the back ensures obturation.

Try some different slugs. Your results are certainly acceptable, but it's quite possible you can find the right slug and cut those groups significantly.

One group is not enough to properly gauge performance, but you're on the right track.

Good slug shooters tend to open chokes but exceptions abound. The two tightest slug groups I've ever seen came from a full choke Model 97 in 16 gauge.

Also,a mag extension aids groups when properly clamped. The rigidity stabilizes the barrel so that it vibrates more consistently.
 
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