Gevas Defense 16" M4  Upper

Gevas Defense 16" M4 Upper

Gevas Defense 16" M4  Upper


Upper assembly comes completely head spaced and test fired. Ready to drop onto a complete lower receiver. 
This complete upper has a 16" barrel with M4 profile, 1x9 or 1x7 twist, CAR handguards with single heat shields and A2 Flash Hider.  



Chrome Moly Vanadium

M4 Feed Ramps

16" 1x9 Twist

A2 Flash Hider

Manganese Phosphated

Phosphated under Front Sight Base

Taper Pins on F-marked Front Sight Base

Threaded Muzzle

M4 Profile

Chamber:5.56 X 45 mm

Bolt And Carrier:

Phosphated 8620 Steel Carrier Assembly

Carpenter 158 Bolt HPT/MPI Tested

Heat Treated and Plated


Chrome Lined Carrier Interior

Carrier Key - chrome lined, attached with Grade 8 Screws

Properly Staked & Sealed Gas Key


Carbine Length

Aluminum Delta Ring

Single Heat Shield

Upper Receiver:

Forged 7075 T6 AluminumA3 Flat Top With T-Marks

Hard Coat Anodized


Ejection Port Cover and Round Forward Assist

Right Hand Ejection

Bore's surface is coated with dry film lube, over the anodized surface

    Barrel Twist Rate