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This is the factory replacement folding stock for the KRISS Vector, the piece that gives your gun back its signature side-folding trick. It bolts onto the integrated hinge mount found on Gen 1 and early Gen 2 uppers, and when it swings shut it trims about 9.5 inches off your overall length. That kind of reduction makes a real difference when you're stashing the Vector in a range bag, a truck, or a tight safe.
The redesigned hinge is the standout here. Instead of just being a length-saver, this version adds a metal sling loop tucked beneath the stock body, so you can run a single-point or multi-point sling without hunting for extra mounting hardware. The polymer construction keeps things light at around 12 ounces, which matters on a gun where you feel every bit of added weight up top. Folded, it locks against the side of the lower with a tab, and it clicks into the extended position ready to shoulder.
Here's the part to nail down before you order. This stock is made for the proprietary hinge mount on the right side of Gen 1 Vectors and Gen 2 models built before April 2017. It does not fit the Gen 2.1 upper, which swapped the hinge mount for AR carbine buffer tube threading. If you're not sure which generation you've got, check for that integrated hinge on the right side of the upper housing. Gen 2.1 owners will want the ambidextrous adapter and stock instead.
Installation is refreshingly simple. The kit ships with one pivot pin, and dropping the stock onto a compatible hinge mount is about as painless as parts swaps get. Whether you're restoring a Vector that lost its stock along the way or building one out from a bare upper, this is the genuine KRISS piece that keeps everything fitting flush and folding the way it should.
No. This stock is built for the integrated hinge mount on Gen 1 and Gen 2 uppers made before April 2017. The Gen 2.1 upper replaced that hinge with AR carbine buffer tube threading, so it needs the dedicated ambidextrous adapter and stock instead. Check the right side of your upper housing for the built-in hinge to confirm compatibility.
Folding the stock cuts roughly 9.5 inches off the overall length. That makes a noticeable difference when you're storing the gun in a range bag, a safe, or a vehicle compartment. It swings back out and locks into the extended position when you're ready to shoulder it.
This is the factory original folding stock assembly from KRISS USA, part number KVA-FSBL00. It's the same piece that shipped on Gen 1 and early Gen 2 Vectors, so everything lines up and folds the way the factory intended. That makes it a solid choice for restoring a Vector or completing a build.
Yes, the kit includes the stock and one pivot pin, which is all the hardware required to mount it to a compatible hinge. The swap is straightforward and doesn't call for special tools. Just make sure your upper has the integrated hinge mount before you start.
| UPC | 810237023686 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KVA-FSBL00 |
| Color | Black |
| Length | 11.3000 |
| Model | |
| Product Type | Stock |
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