Warne Mounts
Magazine Extension, Fits S&W M&P 9/40, FDE , +5/9mm,+4/40
IVS Product #115571
MFG #3313

- These Extensions Feature An Ergonomic Shape That Allows For Better Insertion, And Finger Grooves, Allowing The Magazine To Be Stripped From The Handgun If Needed.
- Machined From 6061 T6 Aluminum Billet. Type 2 Hardcoat Anodize Finish FRO Abrasion And Corrosion Resistance. Torx Head Screw And Washer For Retention. Designed And Made In USA.