The Otter Creek OCL201 M4 Collar Black Nitride is a precision-engineered accessory designed for M4 spec barrels and compatible with the ops inc 12th model, AEM5, and OCM5. Crafted from H900 heat treated 17-4 steel, it boasts a durable black nitride finish, ensuring longevity and reliability in various applications.

Ideal for range time and training, this collar enhances the performance of your firearm setup. Otter Creek is renowned for its innovative designs and commitment to quality, making it a trusted choice among firearm enthusiasts.

Key Features:

• Manufacturer: Otter Creek
• Model: OCL201 M4 Collar
• Product Type: Part
• Material: H900 Heat Treated 17-4 Steel
• Finish Color: Black Nitride
• Unique Features: Compatible with ops inc 12th model, AEM5, and OCM5
• What's In The Box: Collar