RCM HK MP5SD-k 9mm Barrel – Threaded 18×1

The RCM HK Style MP5 SD-K Barrel. 4.890 long, 41v50 Cold Hammer Forged Steel. Salt Bath Nitride Throughout. Made Based on the Factory Profile Only Shorter with our Own Twist on the Ports. Some don’t think its a Big Deal. HK obviously didn’t either. Our Design Increase the Flow Rate through the Ports. This with The RCM K Suppressor Decreases Blow Back in you Face AND Decreases the Sound. A Winning Combination! *THIS WILL ONLY WORK WITH OUR 8″ SUPPRESSOR*

Specifications: 

• Cold Hammer Forged Steel (Mil-B-11595e Certified) 4150 CMV
• 16 Fluted Chamber
• Threaded 18×1
• Overall Length 4.89″
• Nitrided Finish To Entire Surface Of Barrel Inside & Out

Compatible With:

• HK MP5SD-K