MWG IK-520 40rd AR15 Magazine Function Test

A function test of the MWG IK-520 40rd AR15 magazine, including a bump fire test.

MWG 40 Round AR-15 Magazine Specs:

• Model: IK-520
• Dimensions: 9.25″ x 2.5″ x 1.875″
• Capacity:  40 Rounds
• Caliber: .223