GlennRasch Posted November 5, 2010 Share Posted November 5, 2010 (edited) I have a 686 38/357 6in. can I change the cylinder, and shot 38 super ????? Edited November 5, 2010 by Lone Star Hydro Link to comment Share on other sites More sharing options...
Bubber Posted November 5, 2010 Share Posted November 5, 2010 You would need to check the dimensions (SP it is still early) I think the 38 super cylinder is shorter. A little more work is involved. However you can get another 38/357 cylinder and have it cut and reamed for the 38 super and clips and inter change the two for what ever reason you have. I had mine done or you could just have moonclipped and shoot the 38 long Colt or short Colt through it, along with 38 specials and speadloaders. The reason I added the 38 Long Colts is that brass seems to last longer than the 38 sc. At least that's the info I got from the guys here shooting the sc and lc. later rdd Link to comment Share on other sites More sharing options...
EEH Posted November 5, 2010 Share Posted November 5, 2010 Just buy the 4" gun in the classified section-- Link to comment Share on other sites More sharing options...
GMM50 Posted November 5, 2010 Share Posted November 5, 2010 (edited) I'm assuming you know that S&W makes a 38 Super in the 627 family. I've got one and love it. But getting accuracy was a task. The bullet diameter for the 357 is 0.357" While the 38 Super is 0.355" I needed to use 38 Super bullets form Billy Bullets sized to 0.358" (I believe) to get accuracy. With Standard 38 Super bullets I was getting about 2" groups at 25 yards. And with the 38 Super sized for a 357 barrel I quit my testing at a 1" group. My guess is that the 627 in 38 Super had barrels made on the 357 line. Edited November 5, 2010 by GMM50 Link to comment Share on other sites More sharing options...
revoman Posted November 5, 2010 Share Posted November 5, 2010 I'm assuming you know that S&W makes a 38 Super in the 627 family. I've got one and love it. But getting accuracy was a task. The bullet diameter for the 357 is 0.357" While the 38 Super is 0.355" I needed to use 38 Super bullets form Billy Bullets sized to 0.358" (I believe) to get accuracy. With Standard 38 Super bullets I was getting about 2" groups at 25 yards. And with the 38 Super sized for a 357 barrel I quit my testing at a 1" group. My guess is that the 627 in 38 Super had barrels made on the 357 line. A 38 super is actually .356 and a 9mm is .355 and a 357 is usually .358. With that being said I have a friend(yes I do have friends)that has a .355 barrel and it only likes .358 bullets and the 38 super barrel .356 that I had put on my 627 only eats .357 bullets. Sometime I think it does have to do with how deep the rifling in the barrel is cut and what the spin rate of the barrel is. I have a 627 V Comp that will shoot Hornady .355 147 grain grain bullets at 1" to 1 1/2" at 25 yds using short colt brass and the same gun will shoot .357 bullets 150 grain at 50 yds in that same size group, go figure. I would just try all loads and calibers before changing the barrel and if you find the perfect match. Link to comment Share on other sites More sharing options...
GMM50 Posted November 5, 2010 Share Posted November 5, 2010 That's my point precisely. You need to experiment. And when you the load for you gun it's a great shooter. Link to comment Share on other sites More sharing options...
BE Fred Posted November 7, 2010 Share Posted November 7, 2010 Thanks, for this thread. I have a 686, 686, and a smith 1911 all in 38 super. Both revolvers do not groop well with the 355 bullet, but that PC 1911 is very accurate. I will need to try the larger bullets. Fred Link to comment Share on other sites More sharing options...
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