[yocan]

Ok its a flip switch. shown here. MATECH AR15/M4 BUIS Sight Flip-Up 0-600m fastest adjustable sight I've ever seen, if I had been allowed to BZO it I might even trust it (don't ask really) so its 200 300 line 400 450 500 550 600 whatst the line for? while I"m at it, are the measurements for an A4 or an M4 barrel?

Just idle curiousity here. I figure the line is CQB so I leave it on that but figured someone might know for sure.

 

[cce1302]

the line between 300 & 400? I'd guess it's 350. they didn't have room to write it. See how close 200 & 300 are?

As for 20" or 14.5" barrel, I guess that's for you to find out at an inopportune time. Can't tell from the description as it says both M4 and AR15.

 

[Yarddawg]

The line between 300 and 400 is to zero the sight on an M16A4, shooting at a target 25 meters away. It is not used on an M4.

 

[mvician]

 

[TBS1911]

The line between 300 and 400 is to zero the sight on an M16A4, shooting at a target 25 meters away. It is not used on an M4.

We had them on several M4s Also, our BZOs are done at 36, 100, and 300yds. Never seen them done at 25, iron or rco (acog).

 

[mvician]

It is not used on an M4.

We had them on several M4s

The "white" line for zeroing is not used on the M4

 

[TBS1911]

The "white" line for zeroing is not used on the M4

Ah, gotcha. Sorry for the slight moment of retardation :mrgreen: