Quote:
Originally Posted by cowboy1964
How many ounces weight difference are we talking between a Magpul midlength and something like a Troy Alpha? A Magpul midlength is 8.7 oz. I find it hard to believe metal Troys and DDs and such could be much less.

Here is the specs on the 9, 11, and 13" VTAC Alpha Rails
9” VTAC ALPHA:
•Weight w/clamps: 8.60 oz.
•Exact Length: 9.2”
•Number of rail slots: 23
•Inner diameter: 1.37”
•Outer diameter: 1.75”
•Length of cooling hole: 1.5”
•Number of cooling holes: 25
•Gas tube channel diameter: .5”
•Inner diameter of barrel nut: 1.05”
•Material: 6061 T6 Aluminum
•Coating type: MILA8625 TYPE III CLASS 2 HARD COAT ANODIZED w/Teflon
11” VTAC ALPHA:
•Weight w/clamp: 10.17 oz.
•Exact Length: 11.1”
•Number of rail slots: 28
•Inner diameter: 1.37”
•Outer diameter: 1.75”
•Length of cooling hole: 1.5”
•Number of cooling holes: 32
•Gas tube channel diameter: .5”
•Inner diameter of barrel nut: 1.05”
•Material: 6061 T6 Aluminum
•Coating type: MILA8625 TYPE III CLASS 2 HARD COAT ANODIZED w/Teflon
13” VTAC ALPHA:
•Weight w/clamp: 13.36 oz.
•Exact Length: 13.1”
•Number of rail slots: 33
•Inner diameter: 1.37”
•Outer diameter: 1.75”
•Length of cooling hole: 1.5”
•Number of cooling holes: 39
•Gas tube channel diameter: .5”
•Inner diameter of barrel nut: 1.05”
•Material: 6061 T6 Aluminum
•Coating type: MILA8625 TYPE III CLASS 2 HARD COAT ANODIZED w/Teflon
(Found this on another forum)