Willfire MFG Division Gordon Collar Assembly

Willfire MFG Division Gordon Collar Assembly

The Willfire MFG Division (WMD) Gordon Collar Assembly allows you to use your Ops Inc. 12th Model, Allen Engineering AEM5, or Otter Creek Labs OCM5 on a 12.5″ Government profile barrel with a Front Sight Base (FSB) and bayonet lug.

Features

• Designed for use on a 12.5″ Government Profile barrel with a Front Sight Base and bayonet lug
• Requires a barrel diameter of 0.732-0.734″ in front of the Front Sight Base (*WMD performed sample testing with the Daniel Defense, Ballistic Advantage, and B. King’s Firearms 12.5″ GOV profile barrels, but this does not guarantee all barrels will work without additional machining.)

Specifications

• Material (collar): 2024 Aluminum
• Material (insert): 17-4 PH Stainless Steel
• Finish (collar): Hard Anodize, Type III, Class 2, Matte Black
• Finish (insert): QPQ Nitride
• Weight: 1.47 oz
• Diameter: 1.5″
• Overall Length: 0.68″

Black Ankle Munitions Services

• If you already have a complete upper receiver or barrel and need assistance in fitting the collar, we can help!
• If you are just starting out in your Gordon build, we can help!