This is a lightweight complete upper that was built for heavy use. It has our LWK barrel and pinned gas block along with the lightweight Bliz-I-Comp muzzle device making the forward portion of this upper noticeably lighter than a upper built with standard parts.
Parts List:
Upper Receiver - Precision machined from forged 7075-T6 forgings from one of the top foundries in the country these are a premium upper. Utilizing an innovative surface preparation method to ensure a consistent and superior finish these upper utilize an M-4 feed ramp cut before being Mil-Spec Type III hard anodized.
Extension: M4 Feed ramps
Twist Rate: 1:7
Gas System Length: Mid-Length
Gas Block Journal: .750
Includes, steel, low profile gas block with cross pin
Barrel Steel: 4150 CrMoV
Coating/Treatment: Black Nitride
Thread Pitch: 1/2x28 RH
Chamber: 5.56x45mm (5.56 NATO)
All Uppers Are Built And Test Fired In House.
Lifetime Warranty: We guarantee this product to be free from defects. In the event you feel you have a defective product, please contact us immediately to arrange inspection of the product. In the event we determine the product is defective; we will repair or replace the product with an identical or "like kind" product free of charge. This warranty does not cover standard wear and tear, is not transferable and may be voided if the customer or a third party alters the product in any way. Firearms Unknown does not cover damage caused by shooting reloaded ammunition or damaged caused by use of the wrong caliber ammunition.