Apex Tactical 107003 Action Enhancement Black Drop-In, Fits S&W SD9/40/357, SDVE9/40/357, Sigma $47.50
Apex Tactical 102P145 Action Enhancement Slim Flat Dark Earth Drop-In Compatible w/Glock Gen3-4 17/19/22-27/31/32/33/34/35 $81.00
Apex Tactical 107003 Action Enhancement Black Drop-In, Fits S&W SD9/40/357, SDVE9/40/357, Sigma $47.50