The VKTR VK-1 (brand part no. V31100916621) is a 5.56 NATO short-barreled rifle built around VKTR’s short-stroke piston system. Its 13.7-inch barrel puts it under the National Firearms Act’s 16-inch threshold, so this configuration is regulated as an SBR and requires a tax stamp and an approved transfer through your FFL/SOT dealer before it ships. The cup-and-spigot gas seal design and staged gas bleed system let it run consistently whether suppressed or unsuppressed, across a range of factory ammunition. It is a strong option for shooters who want a compact, suppressor-ready rifle without the maintenance headaches of a traditional piston gun.

Key Specifications

• This configuration is regulated as an NFA short-barreled rifle; transfer requires a tax stamp and FFL/SOT approval.
• Chambered in 5.56 NATO for widely available, effective ammunition.
• Rifling twist of 1:7 inches stabilizes a broad range of 5.56 bullet weights.
• Fitted with a 13.7-inch barrel for a compact, maneuverable platform.
• Fitted with an ambidextrous safety selector switch.
• Uses a short-stroke piston system with a cup-and-spigot design that improves the gas seal.
• A staged gas bleed system keeps the rifle running consistently, suppressed or unsuppressed, across varying ammunition.
• The fully supported one-piece op rod and removable gas block match the footprint and weight of a standard direct-impingement AR-15.
• Ships with two Magpul Gen3 PMAGs.
• Includes a rifle lock and hard case.

Frequently Asked Questions

Do I need a tax stamp for this rifle? Yes. Its 13.7-inch barrel classifies it as an NFA short-barreled rifle, so transfer requires an approved tax stamp through your FFL/SOT dealer.

Is this rifle suppressor friendly? Yes, the staged gas bleed system is designed to run consistently whether you are shooting suppressed or unsuppressed.

What comes included? Two Magpul Gen3 PMAGs plus a rifle lock and hard case.

Buy the VKTR VK-1 5.56 NATO SBR

Talk to your FFL/SOT dealer about the NFA transfer, then order this VK-1 from our Lubbock, Texas gun shop for fast, insured shipping. Browse more VKTR Industries rifles alongside other semi-auto rifles.