X-GRIP S&W M&P Compact 45S&W Magazine Spacer Black. 45 Schofield Package Contents: X-GRIP S&W M&P Compact 45S&W Magazine Spacer What firearm models does the manufacturer say X-GRIP S&W M&P Compact 45S&W Magazine Spacer is compatible with? The manufacturer suggests that X-GRIP S&W M&P Compact 45S&W Magazine Spacer is compatible with Smith & Wesson M&P 45X-GRIP XGSWMP45C: S&W M&P Compact 45S&W Magazine Spacer Black