Posted: 10/26/2012 4:26:59 PM EDT
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I'm considering getting a conversion kit to the .460 Rowland for my Randall A111. While considering this, I found myself wondering if the compensator/ported barrel would still be necessary with a flat-bottom firing pin stop and 26# mainspring, perhaps combined with a 20-24# recoil spring? This combination works well enough for controlling slide velocity with Super loads, I'm curious to hear from people who have more experience than I do - I'd really prefer to keep the classic styling of the 1911 without adding a compensator or extended barrel hanging off the front end.
My second silly question, which I couldn't find answered anywhere on the 460rowland.com site, is "will I still be able to shoot .45 ACP, +P, or Super loads"? Or will this require me to "de-convert" the gun when I want to shoot cheap ammo for range time, and then "re-convert" to load up some Rowlands? Also, I will not be shooting a lot of heavy loads - maybe a mag a month just for showing off at the range. I am a huge fan of having options, even if they are exercised very rarely, and I'd like to be able shoot anything from shitty Tulammo .45 ACP to Buffalo Bore .460 Rowland through the same gun without changing parts once I get it setup just right. |
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I have a kit, and fairly extensive experience with .45 super and .460 Rowland.
The problem with using heavier recoil springs is that you get crazy forward velocity on your slide, which is bad for the frame. The 26 lb mainspring will play hell on your trigger parts too if you spent money to get a trigger job. The kit will feed anything, just have to adjust recoil springs to match. I've used the 20 lb spring for 45 super, the 24 for .460 rowland, and I've got 12, 14, and 16 lb springs for standard ammo. I'm going to kill a real animal with it one of these years instead of just bowling pins. 
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Quoted:
I have a kit, and fairly extensive experience with .45 super and .460 Rowland. The problem with using heavier recoil springs is that you get crazy forward velocity on your slide, which is bad for the frame. The 26 lb mainspring will play hell on your trigger parts too if you spent money to get a trigger job. The kit will feed anything, just have to adjust recoil springs to match. I've used the 20 lb spring for 45 super, the 24 for .460 rowland, and I've got 12, 14, and 16 lb springs for standard ammo. I haven't had any trigger job done, but can you explain how the heavier mainspring would damage internals? Just from the extra pressure on small parts, or what? I'm wondering not so much about just overspringing and calling it good, but about using the squared-off firing pin stop combined with heavier mainspring and a "somewhat heavy" (20#) recoil spring to achieve safe slide movement instead of using a bigass ugly compensator. Any thoughts on that particular approach? |