SI Defense Matched Stripped Billet Upper / Lower Receiver

Part Number: SI-UPR-LWR

Inventory Status: In Stock

Restricted: No Foreign Shipments

Exclusions: Not Eligible for Free Shipping

Low Price: $489.99

SI Defense Matched Stripped Billet Upper / Lower Receiver

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Product Information:

Sonju Industrial Inc. (SI) is a service-connected, disabled Vietnam veteran owned manufacturing company that has the capability to CNC machine, process finish, and assemble components for the aerospace, defense, semiconductor, medical, and commercial sectors across the world.

SI Defense is the firearms division of Sonju and is located in Kalispell, Montana. Since 1978, Sonju and SI Defense have evolved into a first-class manufacturer that has invested in new technology, equipment facilities, and most importantly, its employees.

SI Tactical uses the most sophisticated CNC equipment to build its components including a five axis Mitutoyo CMM for inspections. SI is one of the most trusted aerospace manufacturers (99.9% overall quality rating, 99.9% on-time delivery rating). Sonju and SI Tactical have begun to devote their manufacturing cabapility to commercial weaponry, starting with the AR-15 lower and upper receivers.

Features of the SI Tactical Billet AR-15 Receiver:

Fully machined from solid billet
Multi use capable receiver rating
Black anodized coated to MIL-F-8625F and AMS 2471F.
Take a look at the manufacturers link below for a detailed explanation of the SI manufacturing process.

Due to Federal firearms regulations, a Form 4473 or transfer to a receiving FFL is required for the purchase of this receiver. If you are unsure of the procedure, please click here for more information. SI Tactical AR-15 Billet Lower

Manufacturers Web Site:

For more information, please visit this products webpage.

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