ProMag Industries 50 Round 9mm Drum Magazine - SIG MPX

ProMag drum magazines are an affordable way to increase the capacity of your Sig MPX for those long days plinking at the range. The DRM-A21 is a 50 round drum magazine designed for 9mm ammunition and Sig MPX handguns. It is made from a durable Dupont Zytel based polymer for durability. This ProMag drum magazine uses a winding mechanism on the front to reduce or increase follower spring tension whether you are loading ammunition or shooting it. This 50 round 9mm drum magazine is a great option for those at the range who don’t want to constantly stop to reload.

Features:

• Durable polymer construction
• 50 round capacity of 9mm
• Front winding spring to reduce and increase follower tension

ProMag Industries is dedicated to the quality that goes into their magazines and accessories. Dependability isn’t taken for granted. It’s built in.