The Rock Island Armory Rock Ultra CS Lightweight is a compact DA/SA pistol chambered in 9mm Luger, built on a steel frame with a black Parkerized finish. The 3.6-inch barrel and 2.5 lb weight make it manageable for concealed carry, and the 8-round capacity gives you a usable amount on board without a full-size grip. 
 

Key Specifications 

• SKU: 3456089 
• UPC: 4806015566335 
• Brand: Rock Island Armory 
• Model Name: Rock Ultra CS Lightweight 
• Caliber: 9MM LUGER (9X19 PARA) 
• Action: DA/SA (Double Action/Single Action) 
• Capacity: 8 rounds 
• Barrel Length: 3.6 inches 
• Overall Length: 7.3 inches 
• Weight: 2.5 lbs. 
• Sights: Front: Fiber Optic / Rear: LPA MPS1 Adjustable 
• Grip Type: Standard G10 Grips 
• Safety Features: Ambidextrous thumb safety 
• Finish: Black Parkerized 
• Condition: New in Box 
   

Detailed Features 

 
The DA/SA trigger gives you a longer, heavier first pull for safety and a shorter subsequent pull for accuracy -- a familiar setup for shooters transitioning from service-style pistols. The fiber optic front sight is quick to acquire, and the LPA MPS1 adjustable rear sight allows for windage and elevation correction. G10 grips provide solid purchase without the bulk of checkered rubber. The ambidextrous thumb safety works for left- and right-handed shooters, and the Parkerized finish handles moisture and holster wear well.

The Rock Island Ultra CS gets generally good marks for its value proposition. Owners appreciate the light weight and compact size for carry, and reliability with standard ammunition types comes up consistently as a positive. The trigger feel -- particularly the single-action reset -- draws favorable comparisons to guns in higher price brackets. Build quality is considered solid for the price range.

Common criticisms include recoil that some less-experienced shooters find snappy given the compact size and lighter weight. The stock sights prompt some owners to look at aftermarket options for improved visibility. Magazine capacity is a discussion point: 8 rounds is enough for many carry applications but lower than some competitors in the same size class.

Overall the Rock Ultra CS is regarded as a dependable, reasonably priced compact pistol. It suits carry use well with standard loads and is worth evaluating for anyone looking for a compact 9mm at a accessible price.