SIG P320 / P250 9mm  40 S&W PLUS-2 Base Bads
 
	
Fits USPSA 140mm magazine gauge
	
CNC machined out of solid aluminum billet 
	
Not for the 21rd 9mm/18rd .40 factory mags
	
+2 rounds with the stock spring, +3 rounds with Grams kit
	
1.5 mm Allen wrench included 'with every order'