In this topic: You name the guns you can't ever identify right.

[MT2008]

Originally Posted by ManiacallyChallenged

And M16A1/A2. I can't tell when an A1 has A2 handguards. I really can't.

It's really easy; just look at the receiver and the barrel. The A2 receiver has the adjustable rear sight and brass deflector, which the A1 doesn't have. Also, the A2 barrel is much thicker and heavier. Compare our pictures side-by-side:

Originally Posted by ManiacallyChallenged

Okay, a new one.
Glock 17 versus Glock 19.
The angles guns are usually shown at(ie, nearly head on) in most TV shows makes it hard to determine slide length.

I think the Fringe page may have some mis-identified Glocks 'cause of that.

The 3rd Gen models are easier; on the G19, the distance between the little horizontal cut on the frame (which is part of the accessory rail) and the muzzle is shorter than the G17. But admittedly, it's harder with 2nd Gen Glocks (which are still the most common models seen in Hollywood).