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This is the folding stock KRISS designed from the ground up for the Gen II 2017 Vector upper, so it drops right into the receiver without any extra adapter or bracket. Built from a mix of steel, aluminum, and advanced polymer composites, it hits that sweet spot between staying tough and keeping the weight low. Owners consistently point out that it feels solid in hand and shaves weight compared to the original buffer tube setup, which is a nice bonus on an already compact platform.
The hinge is where this stock earns its keep. A push-button release lets it fold to either the right or left side, and you can configure whichever direction suits how you store, carry, or shoot. Folded up, it tucks the Vector down into a genuinely small package for cases, packs, and truck storage. When it is time to shoot, the push button locks it back into place with a positive click that owners describe as tight and rattle-free.
Beyond folding, the stock telescopes through three length-of-pull positions, running roughly 8.5, 9.5, and 10.5 inches of overall length depending on where you set it. That range lets you tune the cheek-to-trigger distance for body size, layered clothing, or optic setup. Two QD sling swivel sockets sit on the left and right sides, and there is a sling loop toward the rear, so single-point or two-point sling users are covered either way.
This one is important: the KVA-FSBL30 is made specifically for the Gen II 2017 (Gen 2.1) upper receiver. It will not work with the integrated hinge mount found on Gen 1 and early Gen 2 Vectors, and KRISS does not make an adapter to bridge that gap. If your Vector was built in 2017 or later with the AR-style buffer tube threading in the upper, this is the dedicated folder you want. Installation is quick and takes a 4mm hex key to snug everything down.
This stock is made only for the Gen II 2017 upper receiver, also called the Gen 2.1, which uses AR-style buffer tube threading inside the housing. It will not fit Gen 1 or early Gen 2 Vectors that have the integrated hinge mount, and KRISS does not offer an adapter to make it work on those older uppers. If your Vector was built in 2017 or later, you are good to go.
No. The hinge is built directly into the stock, so it bolts straight onto the Gen II 2017 upper with no additional adapter or bracket. One end installs into the Vector's upper housing and the other end is the stock itself, so you are not buying anything extra to get it folding.
Yes, the push-button hinge is ambidextrous and can be set up to fold either right or left depending on how you carry and store your Vector. This lets lefties and righties both keep controls and folded clearance where they want them.
Installation is straightforward and only takes a 4mm hex key to tighten the mounting hardware. Owners typically describe the process as quick and simple, with the stock locking up tight and free of wobble once seated.
| UPC | 810237029688 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KVA-FSBL30 |
| Color | Black |
| Length | 9.7500 |
| Model | |
| Product Type | Stock |
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