Which specific buttstocks are compatible with the LaRue LT748-BLK cheek riser?

The LaRue Tactical RISR is specifically engineered to fit Magpul CTR and MOE collapsible carbine stocks without requiring any modifications. It is incompatible with standard A2 fixed stocks, SOPMOD stocks, or wider precision stocks that do not feature the CTR architecture.

How does the reciprocating design maintain charging handle clearance on shorter stock positions?

The RISR features a fully mechanical, unpowered internal spring mechanism mounted on a patented track. When you pull the charging handle back, the riser automatically pushes rearward to allow full clearance and instantly snaps back forward upon release.

Does the LaRue LT748-BLK require any electrical certifications or batteries for use in Australia?

No, as a purely mechanical firearm accessory made from glass-reinforced polymer, electrical compliance such as 240V mains compatibility, Australian plugs, and SAA or RCM safety certifications are not applicable.

What tools and steps are required to install the LT748-BLK on my rifle stock?

The cheek riser installs onto compatible Magpul stocks within minutes using standard mounting hardware and a simple Phillips-head screwdriver. No permanent alterations to your stock are necessary for proper mounting and operation.

Cheek Riser - Larue Tactical LT748-BLK

The LaRue Tactical RISR™ (Reciprocating Inline Stock Riser), model LT748-BLK, is an unpowered cheek riser engineered to fit Magpul CTR and MOE collapsible carbine stocks without requiring modifications. Traditional fixed cheek risers on collapsible stocks block the rearward travel of an AR-pattern charging handle unless the buttstock is adjusted to its fully extended position. The RISR overcomes this via an internal, spring-loaded reciprocating mechanism that travels rearward when the charging handle is pulled back and automatically springs forward upon release, providing an elevated comb height for proper eye alignment with optics mounted in high rings or night-vision configurations.

Key Features

Reciprocating Spring Action: Built with an internal, spring-loaded track that pushes rearward under charging handle contact and returns forward instantly to maintain charging clearance on collapsed or intermediate stock positions.
Optic Alignment: Raises the comb height to support a consistent, repeatable cheek weld when aiming through raised optical mounts.
Direct-Fit Construction: Moulded from glass-reinforced polymer and installs directly onto compatible Magpul stocks using standard mounting hardware and a Phillips-head screwdriver.
Platform Compatibility: Supports cycling functionality across 5.56 NATO/.223 Rem (AR-15) and 7.62 NATO/.308 Win (AR-10/LR-308) charging configurations.

Product Specifications

Manufacturer Part Number: LT748-BLK
Product Type: Collapsible stock cheek riser
Material: Glass-reinforced polymer
Colour: Black
Mechanism: Internal mechanical spring (unpowered)
Interface Compatibility: Magpul CTR and Magpul MOE collapsible carbine stocks
Platform Calibres: AR-15 (5.56 NATO / .223 Rem), AR-10 / LR-308 (7.62 NATO / .308 Win)

Who is the Larue Cheek Riser Black for?

Australian chassis rifle owners — provides a raised comb height on Magpul CTR and MOE stocks fitted to straight-pull, pump-action, or bolt-action chassis systems chambered in calibres up to 7.62 NATO/.308 Win, maintaining bolt cycling clearance via its internal spring track.
Tactical and target shooters using raised optics — ensures consistent eye-to-optic alignment on 5.56 NATO or 7.62 NATO platforms equipped with high-rise optic mounts while retaining full charging handle travel across collapsed stock positions.

Less suitable for: Fixed buttstocks or non-CTR geometries; stocks with non-standard comb widths such as standard A2 fixed stocks, SOPMOD stocks, or wider precision buttstocks require fixed or universal chassis cheek pieces designed specifically for those profiles.

SKU	LAT41083LP
Model #	LT748-BLK
Brand	Larue Tactical
Shipping Weight	1.0000kg

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Larue Tactical Lt748-Blk Stock Riser Black Polymer

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