The Sig Sauer P365X Macro Comp is a compact striker-fired pistol in 9mm Luger, designed for concealed carry. It has a 3.1-inch barrel, 17+1 capacity, and weighs 22 oz. The Romeo-X red dot optic is integrated into the design. 
 

Key Specifications 

• Model: P365X Macro Comp w/ Romeo-X 
• Caliber: 9MM Luger (9x19 Para) 
• Barrel Length: 3.1 inches 
• Overall Length: 6.60 inches 
• Capacity: 17+1 rounds 
• Weight: 22 oz (1.375 lbs) 
• Finish: Black Nitron 
• Sights: XRAY3 Day/Night sights and Sig ROMEO-X Red Dot Optic 
   

Features 

The striker-fired action delivers a consistent trigger pull across every shot. At 17+1 rounds in a 3.1-inch barrel package, the magazine capacity is competitive for its size class. XRAY3 day/night sights handle low-light shooting without the red dot, and the Romeo-X optic improves target acquisition at all light levels. The polymer frame has interchangeable backstraps to fit different hand sizes, and the black nitron finish is corrosion-resistant. 
 

Usage 

The P365X Macro Comp is well-suited to daily concealed carry given its compact dimensions and relatively light weight at 22 oz. At 17+1 rounds it covers home defense without reloading in most scenarios. The red dot optic makes it viable for competitive use without any additional purchases.

Feedback on the P365X Macro Comp with Romeo-X is mostly positive, though a few consistent concerns come up.

The combination of a compact footprint and 17+1 capacity is the most common point of praise. Owners also frequently comment on the Romeo-X optic, noting it helps with both speed and accuracy, especially in low-light situations. Recoil is described as manageable for the size, and grip feel gets good marks from most owners.

Reliability is generally reported as strong across various ammunition types, which builds confidence for those carrying it for personal defense.

On the criticism side, pricing gets the most attention -- some buyers feel the cost is elevated relative to alternatives at a similar spec level. Battery life and mounting compatibility for the red dot are discussed in several threads, with a portion of users finding the system less intuitive than expected. These concerns are real but not universal.

Overall, those who prioritize capacity and integrated optics in a compact carry pistol tend to view the P365X Macro Comp favorably. Prospective buyers should weigh the optics setup and price against their specific priorities before buying.