Due to an overwhelming amount of orders, firearms and complete uppers ordered after August 1st may take up to 8-12 weeks for shipment. Thank you for your continued support.
556 NATO 10.3 INCH GEN 1 MLOK, ANDRO CORP AR15 UPPER RECEIVER,CRANE SPEC
556 10.3 INCH GEN 1 CRANE SPEC

$399.00
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 THESE ARE ON A 2 WEEK BACKORDER. YOU CAN PLACE ORDER AND THEY WILL SHIP OUT IN THE ORDER RECEIVED. THANK YOU!

 

 
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 Low Pro Gas Block

- QPQ Corrosion Resistant Finish

- A2 Flash Hider

- 1/2-28 Threaded Muzzle

- M16 BCG, Nitride

- MLOK Handguard

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

- Charging Handle

- Forward Assist

- Ejection Port Assembly

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 THESE ARE ON A 2 WEEK BACKORDER. YOU CAN PLACE ORDER AND THEY WILL SHIP OUT IN THE ORDER RECEIVED. THANK YOU!

 

 
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 Low Pro Gas Block

- QPQ Corrosion Resistant Finish

- A2 Flash Hider

- 1/2-28 Threaded Muzzle

- M16 BCG, Nitride

- MLOK Handguard

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

- Charging Handle

- Forward Assist

- Ejection Port Assembly