M4 Sand Test with FailZero Bolt carrier group

No lube on the UCT coating's excellent FailZero carrier kit.
Colt LE6940CK upper kit on Registered Class 3 lower
2x TangoDown Magazines loaded with 28rds of LC M855 each.

NOTICE....The sand was tossed on the rifle with the ejection port facing upwards and the dust cover open!
second mag are fired with sand tossed on top of the open dust cover closed bolt condition.

Category:

Science & Technology

Tags:

• sand test
• full auto
• M4
• M16
• carbine
• Failzero
• UCT

[SMGLee]

it is holding up well under harsh use. the finish probably gives an slight advantage over the normal bolt carrier group.

[saiga12fan]

I am curious after long term use how is the bolt holding up. I have been contemplating purchasing one for some time just wondering if the extra dough is worth it.....

[M1ASniper]

I need to get me one of these.... That's the Shit...

[suckithardnfast]

I am the 9001st view. OVER 9000!

[nuttybollockz]

@cheezyweezz

shit you're right. that would look pretty fuckin slick.

[cheezyweezz]

a gun camo that looked like that sand on yours would be awsome

[BurningSaviour]

@famasdan I don't know for certain, but from here it looks like a suppressor capable AAC Blackout. I have a non-suppressor version on mine, and found it to be even better than the Smith Vortex.

[famasdan]

I am buying one fo the fail zeros for my gun, can you please please tell me what kind of muzzle brake or flash hider that is on your gun?

[mzmadmike]

I use hard chrome, and it works well. This looks even better. I'll give it a try shortly.

[Plisky]

Awesome! Makes me love my FailZero BCG even more!