Watch: Teufelshund Tactical Heckler and Koch Bolt Gap Review
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This video covers the much misunderstood topic of bolt gap, as it relates to the Heckler and Koch roller delayed blowback line of weapons. This is a confusing topic for a lot of people. This Video is a concise explaination and
Problems With Your Old Roller-Delayed Gun? Zenith Custom Shop Upgrades & Repairs
Zenith Firearms offers a wide variety of Roller lock based firearms imported from MKE in Turkey. Popular models are the Z5RS and Z5P pistols sporting the SB Tactical pistol brace. Zenith has more than 40 years of experience manufacturing roller-delayed