Matt VDW Posted May 2, 2002 Share Posted May 2, 2002 Here's a scenario for the spring gurus: The pistol is a Springfield Armory Mil-Spec in .45 ACP. Aside from a fitted barrel and bushing, Bomar sights, and a trigger job, it is completely stock -- no comps, guide rods, et cetera. The ammunition used is factory-loaded 230 grain FMJ, round nose, with a muzzle velocity of 810-860 feet per second. Assuming that fast cycling time isn't a goal but managable recoil and muzzle flip are: 1) What is the best recoil spring weight for this pistol? 2) What is the best mainspring weight for this pistol? 3) Would the use of a Shok-Buff be helpful? Link to comment Share on other sites More sharing options...
Joe D Posted May 2, 2002 Share Posted May 2, 2002 Here's what works in my Kimber. 12.5 lb. recoil spring, 17 lb. main spring and a .200" Heitt buff. Not all 1911s can use a .200 buff. They come in .090", .120" and .200". Link to comment Share on other sites More sharing options...
Matt VDW Posted May 2, 2002 Author Share Posted May 2, 2002 Wow, 12.5 pounds is a light spring. How long do your buffs last? Link to comment Share on other sites More sharing options...
Joe D Posted May 3, 2002 Share Posted May 3, 2002 2,000 rds so far. I used the same setup in a .40 Kimber, but with an 11 lb. spring. I have "parked" my 1911s for a while and mostly shoot a Glock 35 in Lim 10. I use a 13 lb spring in the Glock. Wish they made one a little lighter. Link to comment Share on other sites More sharing options...
bkeeler Posted May 3, 2002 Share Posted May 3, 2002 I use a 12lb recoil spring (w/2 coils cut to fit) cominolli guide rod red buff on front wilson shockbuff on rear 17lb hammer spring. (Kimber, 230gr montana gold bullets) works great have about 2800 rds through it no malfunctions. Bruce Keeler Link to comment Share on other sites More sharing options...
bkeeler Posted May 3, 2002 Share Posted May 3, 2002 sorry comonolli red buff on rear wilson buff on front. Bruce Keeler Link to comment Share on other sites More sharing options...
Bill Schwab Posted May 5, 2002 Share Posted May 5, 2002 My set-up for 170 power factor loads with my 5" 45: 12.5 lb recoil spring w/ Cominolli guide rod using Cominolli's buffs (which I replace every 2k rounds even though they still look great). 17 lb mainspring Hope this helps. Bill Link to comment Share on other sites More sharing options...
Matt VDW Posted May 6, 2002 Author Share Posted May 6, 2002 Does the Menck buffer absorb shock the way the Cominolli rods with buffers do? CMP rules won't allow me to use a full length guide rod in my pistol. Link to comment Share on other sites More sharing options...
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