Originally Posted by gatorboy
Questions, is a comp a necessity even with a longer barrel? Have you launched any 45 Super with stock barrel and heavier recoil spring? What # spring do they suggest for Rowland and Super respectively in a G21? Any idea if M&P's are approved for either?
I run 45 Super out I a stock XDS (no comp). The comp is only needed for the 460 Rowland - to momentarily delay slide unlocking until the pressure decreases, and to reduce slide velocity.
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