ProMag S&W Shield Magazine 10 Round 45ACP Blue Steel Mag (SMI 37)

The ProMag Magazine (Model SMI 37) is a high-capacity, 10-round magazine specifically designed for the Smith & Wesson Shield .45 ACP pistol. This magazine is proudly Made in the USA and built with durable, heat-treated materials for consistent performance.

The magazine body is constructed of heat-treated blue steel with a black oxide finish, giving it a blued (black) appearance. It features an injection-molded black polymer follower, a spring made from heat-treated chrome silicon wire, and includes witness holes for visual round count.

Key Features & Benefits:
- Capacity: 10 Rounds (Extended Capacity).
- Caliber: .45 ACP.
- Construction: Magazine body is heat-treated blue steel with a black oxide finish.
- Reliability: Magazine spring formed from heat-treated chrome silicon wire.
- Components: Injection molded black polymer follower and removable polymer base plate.
- Features: Includes witness holes for visual round count.
- Origin: Made in USA.

Compatibility & Specifications:
- Fits: Smith & Wesson Shield .45 ACP pistol only.
- NOTE: Does NOT fit M&P 9mm, M&P Shield 9mm, M&P Shield Plus 9mm, or Shield EZ 9mm pistols.
- Type: Detachable Pistol Magazine
- Capacity: 10 Rounds
- Color: Blued (Looks Black)
- Material: Steel Body, Polymer Follower and Base Plate

Product Information:
- Model: SMI 37
- UPC: 708279015137

***PLEASE NOTE***
New magazines can have stiff springs which may make it difficult to load to full capacity until broken in.