The Stoeger STR-9 is a semi-automatic 9mm Luger pistol with a 4.2-inch barrel, 15-round capacity, tritium night sights, and black finish. It weighs 1 lb. 
 

Key Specifications 

• Caliber: 9MM LUGER (9X19 PARA) 
• Action: Semi-Automatic 
• Capacity: 15 Rounds 
• Finish: Black 
• Weight: 1 lbs. 
• Barrel Length: 4.2 inches 
   

Detailed Features 

The tritium night sights glow in low-light conditions without requiring batteries or activation, which is a practical advantage for a defensive pistol. The medium-size backstrap is included and swappable, letting shooters adjust the grip to fit different hand sizes. At 1 lb, the STR-9 is light for a 15-round full-size 9mm, which helps with daily carry. The 4.2-inch barrel provides a useful sight radius without the bulk of a long-slide design. 
 

Usage 

The STR-9 fits the role of a personal-defense or range pistol for shooters who want tritium sights and a 15-round capacity at an accessible price point. The grip backstrap system accommodates different hand sizes, which matters for shared or training use. 9mm recoil in this weight is noticeable but manageable for most shooters.

The Stoeger STR-9 Tactical with Tritium Night Sights consistently draws praise for its value, with a few honest criticisms.

Affordability is the first thing users mention. Tritium night sights at this price point are uncommon, and users treat the inclusion as a genuine advantage rather than a marketing note. Reliability with varied ammunition types gets positive marks, and the trigger pull is described as smooth in most accounts. The 15-round capacity in a compact package is cited as a practical strength for a defensive pistol.

The ergonomic grip and overall handling come up positively in user reports, particularly regarding comfort after extended range use. The swappable backstraps are mentioned by users who fitted the grip to their hand size.

The main criticism is build quality relative to established brands. Users who compare it to Glock, S&W, or Sig pistols note that the fit and finish doesn't match those at higher price points, though most accept that trade-off given the cost. Some concerns about long-term durability under frequent competitive or training use appear in discussions, though the more common use case -- defensive carry or casual range sessions -- doesn't surface these concerns as often. Aesthetics are a minor discussion point; the tactical look works for some shooters and not others.