Due to an overwhelming amount of orders, firearms and complete uppers ordered after August 1st may take up to 8 weeks for shipment. Thank you for your continued support.
AR15 COMPLETE UPPER 556 NATO 10.3 INCH M4 ANDRO CORP CRANE SPEC
556 10.3 INCH M4 CRANE SPEC

$399.00
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10.3 MK18 (Crane Spec) 
 
Our 10.3" Crane Spec complete upper receiver features the ideal gas port sizing (.070) to achieve minimal gas blowback when ran suppressed. This unit is specifically designed to be ran in conjunction with a silencer. 
 
We do not guarantee reliable cycling with some manufactures ammunition without the addition of a silencer. 

 

- 4150 CMV Melonite

- 1/7 Twist

- M4 Feed Ramps

- Carbine Length Gas System with F-Mark Front Sight Base

- QPQ Corrosion Resistant Finish

- A2 Flash Hider

- 1/2-28 Threaded Muzzle

- M16 BCG, Nitride

- M4 Carbine Forearm

- 7075 T6 Mil-Spec Dry Film Lubed Upper w/ T-Markings

- Charging Handle

- Forward Assist

- Ejection Port Assembly

- 1 MOA Guarantee 

 

 

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10.3 MK18 (Crane Spec) 
 
Our 10.3" Crane Spec complete upper receiver features the ideal gas port sizing (.070) to achieve minimal gas blowback when ran suppressed. This unit is specifically designed to be ran in conjunction with a silencer. 
 
We do not guarantee reliable cycling with some manufactures ammunition without the addition of a silencer. 

 

- 4150 CMV Melonite

- 1/7 Twist

- M4 Feed Ramps

- Carbine Length Gas System with F-Mark Front Sight Base

- QPQ Corrosion Resistant Finish

- A2 Flash Hider

- 1/2-28 Threaded Muzzle

- M16 BCG, Nitride

- M4 Carbine Forearm

- 7075 T6 Mil-Spec Dry Film Lubed Upper w/ T-Markings

- Charging Handle

- Forward Assist

- Ejection Port Assembly

- 1 MOA Guarantee