One of VLTOR’s most innovative products is the Versatile Interface Structure (VIS) upper receiver assembly. The VIS is a polylithic upper receiver assembly that ties the normally individual receiver and handguard into a single, aggregate part. This combination overcomes many problems that are associated with the traditional “two piece” design; most notably the greatly improved structural strength and repeatable accuracy. This affords the user all the benefits of a free-floating barrel and solid railed forend.

• Aircraft-grade aluminum construction
• Hardened to T6 specifications
• Hard-coat anodized, black per MIL-A-8625 TYPE III Class 2
• 6061 forged upper with 6061 extruded handguard
• Polylithic design
• Handguard length rails on each side
• Removable lower handguard
• M203 barrel mounting compatible
• Compatible with all Mil-Spec AR-15 parts and accessories

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