Description
The Ruger MAX-9 Long Slide with ReadyDot is a factory Ruger complete slide assembly that converts a standard MAX-9 into a longer-sighted, longer-barreled pistol. Ruger part number 90751 ships as a complete upper with a 4.00-inch barrel, a black oxide finish and a ReadyDot micro reflex sight already mounted.
Ruger MAX-9 Long Slide with ReadyDot Overview
The MAX-9 has earned a following as an affordable, optics-ready micro-compact 9mm. Ruger’s long slide assembly lets owners extend the sight radius and barrel length without buying a new pistol. A longer barrel adds velocity and a longer slide adds mass and a smoother recoil impulse, which many shooters find makes follow-up shots easier. The included ReadyDot sight is a compact, battery-free reflex sight that gathers ambient light to illuminate its aiming dot, so there is nothing to switch on before shooting. It is a simple way to turn a pocket-friendly MAX-9 into a better range and home-defense pistol.
What Is Included
Distributor and retailer data describe this as a complete slide assembly with the ReadyDot installed. That typically means the slide, barrel, recoil spring assembly and internal slide components are installed and ready to drop onto your frame. The finish is black oxide, and listed specifications show a 4.00-inch barrel, 8.70-inch length and a weight of about 1.18 pounds for the assembly. Always inspect the parts and function check the pistol after installing.
ReadyDot Sight
ReadyDot uses a fiber and light-gathering design rather than a battery-powered LED. In bright conditions the dot is vivid and easy to pick up; in very low light it dims, so it is not a substitute for a powered optic or tritium night sights in dark environments. It is lightweight and low-profile, which keeps the pistol easy to holster. For shooters who want an always-on dot without battery changes, it is a practical option.
Installation
With the pistol unloaded and the magazine removed, field strip the MAX-9 following Ruger’s instructions and remove the existing slide. Place the new long slide assembly onto the frame rails and run it fully forward until it locks. Check that the takedown lever is secured and perform a function check before live fire. Because the slide is longer, confirm your holster accommodates the extra length.
Range and Defense Benefits
The longer sight radius and dot help with precise shots at distance, and the extra slide mass reduces muzzle flip. This configuration suits range training, home defense and new shooters who are learning to use a dot. Many owners keep the original short slide for concealed carry and swap to the long slide for range days.
Matching Accessories
Stock up on MAX-9 magazines, especially the 12- and 20-round options, to get the most out of a long slide setup. A holster cut for a longer slide is also important for safe carry. Practice with your preferred defensive load to confirm reliable feeding and point of impact.
State Laws and Shipping
A slide assembly is not considered a firearm under federal law and can ship directly to your door, but some states regulate handgun parts or barrels. Check your local laws before ordering. Our gunsmith location in Collegeville, Pennsylvania can install the assembly if you prefer.
Specifications
- Brand: Ruger
- Model: MAX-9
- Manufacturer part number: 90751
- UPC: 736676907519
- Caliber: 9mm Luger
- Barrel length: 4.00 in. (per retailer listing)
- Finish: Black oxide
- Sight: ReadyDot micro reflex (installed)
- Length: 8.70 in.
- Weight: approx. 1.18 lb
- Fits: Ruger MAX-9 pistols
Before You Buy
This slide assembly fits Ruger MAX-9 pistols only. Unload the pistol before installation, and check whether your holster fits a longer slide.
Who It Is For
The Ruger MAX-9 Long Slide with ReadyDot is a great fit for MAX-9 owners who want a longer barrel and sight radius with a battery-free dot for range use or home defense.
Buy the Ruger MAX-9 Long Slide with ReadyDot at MAG5 Firearms
MAG5 Firearms is a family-owned FFL. Order the Ruger MAX-9 Long Slide with ReadyDot online, or browse our gun parts and tools for more pistol upgrades. For factory details, visit Ruger.
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