The Kel-Tec SU-16CA is a semi-automatic rifle chambered in .223 Rem, California-compliant, with a 16-inch steel barrel finished in Salt Bath Nitride. It has a 10-round capacity, weighs 4.7 lbs, and measures 35.9 inches overall. The grip and stock are Zytel synthetic in tan. Front and rear adjustable sights come standard, and a crossbolt safety handles safe-fire switching. 
 

Key Specifications 

• Caliber: .223 Rem 
• Condition: New in Box 
• Finish: Matte Blue 
• Manufacturer: Kel-Tec 
• Manufacturer Part Number: SU16CATAN 
• Model: SU-16CA 
• UPC: 640832003949 
   

Features 

• 16-inch steel barrel with Salt Bath Nitride finish 
• Synthetic Zytel grip and stock in tan 
• Adjustable front and rear sights 
• Crossbolt safety 
• 4.7 lb total weight, 35.9 inch overall length 
• 10-round capacity 
• California-compliant configuration

The Kel-Tec SU-16CA draws a predictable crowd: shooters who want something lightweight and unusual rather than a standard AR pattern. At 4.7 lbs it's notably lighter than most .223 rifles, and the folding stock and integrated bipod — Kel-Tec's design quirks — get positive attention from people who actually use them.

Affordability comes up often as a genuine advantage. The SU-16CA typically sells for less than a comparable AR, and buyers going in with realistic expectations tend to be satisfied.

Accuracy reviews split by intended use. For casual range work and varmint hunting at moderate distances it's considered adequate. Long-range precision shooters tend to move on to something else.

Reliability is the most variable topic. Some owners run it without issues; others report sensitivity to certain ammunition types and occasional feeding problems. This seems to be lot- or specimen-dependent rather than universal.

Build quality gets mixed commentary. The polymer construction is lighter but feels less substantial than steel-heavy competitors. The "CA" designation also prompts regular discussion about California compliance specifics for buyers in restricted states.