LaRue RISR™ – Reciprocating Inline Stock Riser
Achieve the perfect cheek weld without sacrificing charging handle access.
The LaRue Tactical RISR™ (Reciprocating Inline Stock Riser) is designed for shooters running optics or elevated rail systems who need additional cheek support for consistent sight alignment. Unlike traditional fixed cheek risers that interfere with charging handle travel, the RISR™ features a spring-loaded reciprocating design that moves rearward with the charging handle and automatically returns forward when released.
This innovative system allows you to maintain a comfortable cheek position while still fully operating your rifle—even with the stock collapsed.
Constructed from durable glass-reinforced polymer, the RISR™ is lightweight, rugged, and built to withstand demanding use in the field. Installation is simple and requires only a few minutes using the included hardware.
Designed specifically to fit Magpul CTR® stocks without modification, the RISR™ provides a reliable solution for shooters seeking improved ergonomics and consistent shooting performance.
Key Features
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Reciprocating design allows full charging handle travel
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Improves cheek weld for rifles with raised optics or rails
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Spring-loaded system moves with the charging handle
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Durable glass-reinforced polymer construction
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Quick and easy installation with included hardware
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Designed to fit Magpul CTR® stocks with no modification required
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Made in Texas, USA
Upgrade your rifle’s ergonomics with a cheek riser that works with your rifle, not against it.
395 Reviews Hide Reviews Show Reviews
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LT748
I installed this R.I.S.R. on a MagPul CTR stock, on a AR 10 rifle. The RISR brings my eye up to perfect alignment with the optics mounted in a LaRue LT104 mount. This gives me a proper cheek weld, instead of an awkward chin weld. I have purchased a few things from LaRue Tactical, and all have been top shelf. I do not believe LaRue makes any junk. I am going to order another mount or two in the coming months. LaRue's optic mounts are the best in the industry. There are no over-engineered latches or locks. They plain work. This RISR is the same. It plain works. It is very solid, and it does not move while I am shooting. It was also easy to install. It only took a few minutes. I have made several reviews here, but I have yet to mention the swag that comes with every order. I do appreciate the extras: It's the only way I can find to get Dillo Dust, which is great. This was the only time they failed to send copies of the U.S. Constitution. I guess they must have ran out. Anyway, the copy's of our law are greatly appreciated. I give them to liberals, and offer to get someone to read, and explain it to them. Thanks LaRue!
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LT748
Great cheek riser that works with the AR platform, as advertised. I like the simplicity of installation on my current CTR, and the fact that it looks great and not like a big add-on. The only thing I didn’t like is that the sliding action isn’t as smooth as I’d expect for a LaRue branded item. I’m hoping it’ll wear in over time.
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LT748
Product is "GREAT". The RISR bolted right up my magpul stock and gave me a better platform for using my eotech scope. If you don't have one of these on your AR rifle or any rifle that uses magpul stock on it your missing out.
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LT748
Ordered 2 and they work great! No more hair being pulled out by a magpul stock. On my .308 it get my eyes in perfect placement with my scope. Nothing had worked. This riser does! Thanks.
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LT748
Nice well built, innovative product. Seems to function well. Spring was dry and needed a little Frog Lube to take out the squeeker. Have not had long enough to make a judgment on long term service life but as always time will tell. Thank you LaRue Tactical.
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LT748
Excellent product. Very well made. The RISR made my AR look even more attractive and made each shot with added comfort. A definate must for precision shooters, and an awesome cataloge with my order. I highly recomend thier service. I recieved my order within 2 days, and I will definately order more. They have all the products that I've been searching for throughout the Web, all in one place. No more searching, and the prices are great.
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LT748
I bought this Risr to put on a 6.8 SPC rifle I was putting together for my 13 y/o daughter. I installed it on a Magpul CTR stock in about 3 minutes. It's rock solid, great design, and fits my daughter perfectly allowing her to get a good cheek weld and proper sight picture through her scope. Thanks Mark!
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LT748
Love this cheek rest. This is the second one I have purchased. Have on e on my AR-15 and not putting one on my AR-10.
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LT748
Arrived yesterday !!! Took all of 2 mins to fit. works fantastically... enough height to get a proper cheek weld. Hands down the best riser on the market!!
