Cut -n -paste from Bushys website:
Barrel Weight In Pounds ( for milled front sight subtract 0.2 pounds )
Barrel length_________Heavy Barrels________ Fluted Barrels
10"_________________2.0_________________1.9
11.5"_______________ 2.2_________________2.0
11.5/5.5"____________ 2.6_________________2.5
14.5"_______________ 2.5_________________2.2
14.5"AK_____________2.7_________________2.4
14.5"MY_____________2.7_________________2.4
14.5"AM (phantom)____2.7_________________2.4
14.5"IZ______________2.7_________________2.4
16"_________________2.7_________________2.3
16" Dissipator________ 3.0_________________2.6
20"_________________3.5_________________3.0
24"_________________3.9_________________3.1
26"_________________4.0_________________3.2
Military Style Barrels
14.5"M4_____________2.0
14.5"M4AK__________ 2.2
14.5"M4MY__________ 2.2
14.5"M4AM (phantom)_ 2.2
14.5"M4IZ____________2.2
16"M4 Dissipator______2.3
16" Superlight________ 1.9
16"M4_______________2.2
20"A2 (govt profile)_____2.5
And, Weights of our Upper Receivers...
A1 Type - 0.7 lbs.
A2 Type - 0.8
V Match (flat-top, also designated as A3 type) - 0.6
A3 - 1.2 (including weight of A3 Type Removable Carry Handle)
A3 Type Removable Carry Handle only - 0.6
More Information