FYI. Weight of Govt profile barrel upper and Socom hvy barrel upper

[STG44*]

These are both uppers with 14.5" barrels with extended bird cages (pinned/welded) to be legal 16"there was no BCG in the upper. Difference is 4.5oz Pete

First is Govt profile
http://www.fototime.com/C3486753168E3E9/medium800.jpg

Second is Socom

http://www.fototime.com/045162C1871F902/medium800.jpg

[jerrysimons]

Cool. Thanks. Did you have the Socom barrel cut down?

[Eurodriver]

So for 4.5oz you get....what?

[JBecker 72]

So for 4.5oz you get....what?

SOCOM!

[jerrysimons]

So for 4.5oz you get....what?

https://www.m4carbine.net/showthread.php?59364-The-Colt-M4A1-SOCOM-Barrel
This is pretty interesting.

[veeklog]

Nice thread