I tried Lil'Gun for the .357 Magnum and in a revolver I did witness very high temps. Add the fact Freedom Arms is reporting having to replace barrels with as little as 750 rounds fired, I use it only for my Marlin. It delivers ~100 fps higher velocities than any other powder without accuracy degradation. LilGun works very well with 170/180gr bullets.

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SWCA #3437