The Kel-Tec PLR-16 is a semi-automatic pistol chambered in .223 Remington / 5.56x45mm NATO. It has a 9.2-inch barrel, 10+1 capacity, and weighs 51 oz (3.4 lbs). Overall length is 18.5 inches. Frame and receiver are polymer with a black nitride finish. Sights are adjustable iron. The ambidextrous safety works for right- and left-handed shooters. 
 

Key Specifications 

• Brand: Kel-Tec 
• Model: PLR-16 
• Caliber: .223 REM / 5.56x45mm NATO 
• Action: Semi-Automatic 
• Capacity: 10+1 rounds 
• Barrel Length: 9.2 inches 
• Overall Length: 18.5 inches 
• Weight: 51 oz (3.4 lbs) 
• Frame/Receiver: Polymer 
• Finish: Black Nitride 
• Sights: Adjustable iron sights 
   

Features 

The polymer frame keeps the PLR-16 compact and relatively light at 18.5 inches overall. The 9.2-inch barrel puts it in pistol-classification territory while still running 5.56 reliably. Adjustable iron sights are included. The ambidextrous safety accommodates both hand orientations. The PLR-16 accepts standard AR-15/M16 magazines, making ammunition and magazine interchangeability easy if you run a rifle in the same caliber.

The PLR-16 occupies an unusual niche — a pistol running rifle caliber — and owner reactions reflect that. Most people buy it as a range gun or novelty, and in that context it's described as genuinely fun to shoot with manageable recoil. The 5.56 compatibility with AR-15 magazines is a practical plus.

Ergonomics generate the most consistent criticism: the pistol grip and overall handling feel different from conventional handguns, and some shooters find it awkward in extended sessions. Reliability can be ammo-dependent; some owners report feeding issues with certain loads. The price-to-features ratio draws mixed opinions compared to other pistol-class firearms. Customization with accessories like optics and foregrips is frequently discussed as a way to improve the platform.