SPECOP 18" .223 Wylde MLOCK COMPLETE UPPER HALF
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Product Info

SPECOP 18" 5.56 MLOCK COMPLETE UPPER HALF

At SpecOp Manufacturing we believe in Quality Mil-Spec or better parts. We believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. We believe in our products and we back them up with a lifetime warranty. Our weapons our meant to be used hard and go in harm’s way, they won’t let you down. 

The SPECOP 18" 5.56 MLOCK COMPLETE UPPER HALF is meant as a building block for any build you wish to do. It is built with all high quality components. At SpecOp Manufacturing we always tell our customers, Buy Quality, Buy Perfection, Buy SpecOp.

 Below you will find the complete specifications on the SPECOP 18" 5.56 MLOCK COMPLETE UPPER HALF We have built our guns to run through years of hard use, and we have nothing to hide.

 

Barrel Components:

Barrel: SpecOp MFG 18” 4150 CoMOV 
Caliber:  .223 Wylde Chamber
Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E) 
Twist Rate: 1/7 Twist
Thread Pitch: 1/2-28 Threaded Muzzle
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Weight: 19 Ounces
Barrel Finish: Phosphate
Barrel Extension: Phosphate
High Pressure (proof) Tested (HPT)
Magnetic Particle Inspected (MPI)

Upper Receiver: 
Material: Made from Mil-Spec 7075-T6 aluminum Cerra Forge forgings.
Exterior Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal
Interior Finish: Dry Film Lube
T-Marks: Engraved T-Marks

Gas Block: SpecOp MFG Lo-Pro Gas block made from 4140 Steel with a Phosphate Coating.

Gas Tube: Stainless Steel

Muzzle Device:

SpecOp Standard A2 1/2x28  with Crush Washer

Handguard:

SpecOp Ultra-Light Keymod Handguard 15”

Material: Aircraft Grade 6061-T6 Aluminum
Finish: Military Specification Type III Hard Coat Anodized
Length: 15”
Inside Diameter: 1.340"
Continuous Top Rail
Made in the USA!

BCG:

Milspec Carpenter No. 158 steel bolt

Shot Peened Bolt

High pressure tested (HPT)

Mag particle inspected (MPI)

Chrome Lined Carrier (AUTO)

Chrome Lined Gas Key

Gas Key Hardened to USGI Specifications

Gas Key Grade 8 Hardened Fasteners

Gas Key Staked Per Mil-Spec

Tool Steel Extractor

Extractor Spring

Extractor O-ring Insert

Weight: 3LBS 9oz

SPECOP 18" .223 Wylde MLOCK COMPLETE UPPER HALF

$399.00

SPM-18-MLK-556-CP

Availability : Current Production time is 4 - 6 WEEKS

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Product Reviews

Grade 
Brandon
01/07/2017

Finally!!!

I have been searching for an 18in upper that is NOT a SS barrel for quite some time now that is 4150 chromoly V on the budget friendly side and now i have and all thats left to do is save and order!! Please keep this upper going

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