Description
LaRue Tactical set out to keep things simple with the RAT Stock, and it shows. Instead of the usual thumb lever hanging off the bottom, this one uses a trigger-style release you squeeze from the underside to slide it along a mil-spec receiver extension. Pull it fully and the stock comes off; pull it halfway and you can dial in your length of pull while you're shouldered, prone, or working around gear. It's a small change that makes a real difference once you've run it a few times.
What Sets the RAT Stock Apart
The two-stage trigger mechanism rides on CNC-machined metal internals, so the action feels smooth and positive rather than gritty or loose. The internal cavity is cut for a snug fit that locks up solid on mil-spec positions without needing a separate friction lock or wobble screw. If you've dealt with rattly stocks before, the tight lockup here is one of the first things you'll notice.
Slinging and Storage on the LaRue RAT
LaRue built in ambidextrous 1/4-inch swivel sockets along with 1-inch slots, giving you clean anchor points for a two-point sling no matter which side you run it on. The rear buttplate slides open to reveal storage compartments sized for cleaning kit components, so you can stash a bore snake, a few patches, or small tools right in the stock. There's also a locking switch that keeps the stock from being pulled off accidentally once you rotate it to the horizontal position.
Fit and Build of the LT800-BLK
This is the black version, molded from durable glass-filled polymer with a 6.99-inch length and a 5.30-inch height at the cheek. It's designed as the natural companion to LaRue's own AR-15 rifles, but it drops onto any standard mil-spec carbine buffer tube, so it works just as well on a build you put together yourself. For folks who want a stock that adjusts fast, holds zero on the tube, and carries a little extra utility, the RAT earns its spot on the rifle.
Key Specifications
- Manufacturer: LaRue Tactical
- Model: RAT Stock
- Manufacturer Part Number: LT800-BLK
- UPC: 810143180312
- Color: Black
- Fitment: AR-15 / Mil-Spec receiver extension
- Frame Material: Glass-filled polymer
- Internals: CNC-machined metal
- Adjustment: 2-stage trigger mechanism
- Length: 6.99 inches
- Height: 5.30 inches
- Sling Mounts: Ambidextrous 1/4" swivel sockets and 1" slots
- Storage: Locking rear buttplate with internal compartments
What’s Included
- LaRue Tactical RAT Stock (Black)
- Operational manual (TM-LT800)
Frequently Asked Questions
Does the LaRue RAT Stock fit any AR-15 or just LaRue rifles?
It was designed as the companion to LaRue's own AR-15 family, but it mounts on any standard mil-spec carbine receiver extension. That means it drops onto most factory or home-built AR-15 carbines running a mil-spec buffer tube. It will not fit commercial-diameter tubes.
How does the trigger adjustment on the RAT Stock work?
You squeeze a trigger-style release on the underside of the stock instead of using a traditional side lever. Pulling it halfway lets you slide the stock along the tube to set your length of pull, and pulling it all the way lets you remove the stock entirely. The CNC-machined internals give it a smooth, positive feel and it locks up tight on mil-spec positions.
Is there really storage inside the RAT Stock?
Yes. The rear buttplate slides open to reveal compartments sized for cleaning kit components like patches, a bore snake, or small tools. It's a handy spot to keep field maintenance gear without adding anything to your pack.
What is the locking switch on the LT800-BLK for?
The locking switch keeps the stock from being accidentally pulled off the receiver extension. Shipped in the vertical position so you can install or remove the stock, you rotate it horizontal to lock it in place once it's mounted. You can still slide the stock for length adjustments even with the switch locked by pulling the trigger halfway.




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