markserbu Sponsors & Brand Deals
markserbu is a YouTube channel based in US with 219,000 subscribers. markserbu's top sponsor is Olight who sponsored 2 videos. markserbu has worked with 6 distinct brands, including major partners like Olight, Miller Precision Firearms, Makera.
Brands Sponsoring markserbu
Brands that have sponsored markserbu's videos
Recently Sponsored Videos
Latest videos with sponsorships from markserbu
Star Z70 Parts Kit Unboxing!
Sponsored by Olight
Mar 27, 2026
Sar West Gun Show!
Sponsored by Makera
Dec 26, 2025
Carvera Air Cnc!
Sponsored by Oneleaf Ai
Sep 20, 2025
Guns Are Tools!!
Sponsored by Miller Precision Firearms
Mar 14, 2025
Mars Rifle!
Sponsored by Miller Precision Firearms
Feb 12, 2025
Mg 42 Parts Kit!
Sponsored by Danjon
Aug 26, 2024
Rn-50 Barrel Test Gun!
Sponsored by Olight
May 19, 2024
30 Super Carry!
Sponsored by Crusader Safaris
Mar 23, 2024
About markserbu
Hi, I'm Mark Serbu, lifelong gun nut, degreed mechanical engineer, gun designer, founder and owner and president of Serbu Firearms, Inc. I'm also a pretty decent self-taught TIG welder, machinist, CNC programmer and assembly guy. I'm trying to teach the basic principles of firearm design and engineering (which apply to ALL product design and engineering), including mechanisms, materials, heat t...
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