# Sig Sauer P320 M17 9mm Modular Tactical Pistol - 21 Rounds **Brand:** SIG Sauer **Category:** Full Size Handguns **Caliber:** 9mm ## Specifications - **Caliber:** 9mm - **Barrel Length:** 4.7" - **Capacity:** 21 rounds - **Finish:** Black - **Weight:** 29.6 oz - **Overall Length:** 8" - **UPC:** 798681586318 - **SKU:** UCE3nOXde ## Description The Sig Sauer P320 M17 is the commercial version of the U.S. Army's adopted sidearm, chambered in 9mm Luger. It carries the full-size M17 configuration with a 4.7-inch barrel, 21-round standard capacity, and a manual safety added to meet military spec requirements. ### Key Specifications - **Manufacturer Name:** Sig Sauer - **Model:** P320 - **Series:** M17 - **Caliber:** 9mm Luger - **Barrel Length:** 4.7 inches - **Capacity Standard:** 21 rounds - **Weight:** 1.85 lbs (29.6 oz) - **Total Height:** 5.5 inches - **Total Length:** 8 inches - **Frame Material:** Polymer - **Slide Material:** Stainless Steel - **Grip Material:** Polymer - **Safety Type:** Manual safety ### Detailed Features The P320 M17 shares the same modular chassis as the rest of the P320 family. Frame sizes and calibers can be swapped without a gunsmith, so the gun can be reconfigured as needs change. The Coyote Tan PVD finish on frame and slide provides corrosion resistance and gives the M17 its recognizable military appearance. SIGLITE Night Sights (1-Dot front, 2-Dot rear) are standard, which matters for duty or defensive use in variable lighting. The manual safety is a departure from standard P320 models and was specifically added for military carry protocols. 21 rounds of 9mm Luger on tap is a meaningful capacity advantage for competitive shooting or situations where reloading is inconvenient. ### Target Audience The M17 appeals to shooters who want the military-spec configuration in a commercially available package, competitors who value high capacity in 9mm, and P320 platform enthusiasts who want the full-size variant. The manual safety adds a layer that some concealed carry users prefer; others may find it an extra step under stress. ### Usage Scenarios - **Home Defense**: High capacity and a reliable action with night sights make it capable in this role. - **Competitive Shooting**: The 21-round magazine reduces reload frequency during stages, and the night sights give an accuracy edge under mixed lighting. ## What Reviewers Say *Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.* > I'm not here to bash SIG but I apparently they haven't handled any of it really really well. > > — [hickok45](https://www.youtube.com/watch?v=e4Rudq7-wqw&t=360s) > I don't trust them, nor my compact. I I don't trust them 100%. And you got to trust a pistol, a firearm 100% that it's not going to go off when you don't want it to go off. > > — [hickok45](https://www.youtube.com/watch?v=e4Rudq7-wqw&t=688s) > No, I I wouldn't carry any of these things. That's my take on it. I would not carry them. > > — [hickok45](https://www.youtube.com/watch?v=e4Rudq7-wqw&t=766s) > Devastating to the company, you know, it's it has to be. I wouldn't buy another one. > > — [hickok45](https://www.youtube.com/watch?v=e4Rudq7-wqw&t=822s) > One out of 300,000 is too many. That's enough to take it out of my holster, you know. > > — [hickok45](https://www.youtube.com/watch?v=e4Rudq7-wqw&t=1341s) ## What Customers Say *AI-generated insights from customer reviews* The P320 M17 generates a mix of strong praise and specific criticisms from the firearm community. Modularity is the most frequently cited positive. Owners appreciate being able to change grip sizes, trigger modules, and calibers within the P320 platform. For users who already own other P320 variants, the shared components are a practical benefit. The ergonomics get consistent marks. The grip shape fits most hands well and the controls are easy to reach, which makes the M17 comfortable for extended range use or tactical training. Accuracy is described as good across target shooting and practical applications. Most users report consistent performance at typical defensive and competition distances. The 21-round capacity in 9mm is a commonly mentioned strength. Fewer reloads during competition stages or extended range sessions is a real convenience. Reliability holds up across reviews. Owners report dependable function in varied conditions, which is the baseline expectation for a gun derived from a military qualification process. On the critical side: weight comes up frequently. At 29.6 oz unloaded, it is on the heavier end compared to other full-size 9mm pistols, which affects all-day carry comfort. Trigger feel divides opinion. Many find it acceptable or good, but some experienced shooters want a crisper break or shorter reset. Size is a minor concern for anyone considering concealed carry; the M17 is a full-size pistol and carries accordingly. Pricing draws occasional comparison to other brands at similar or lower price points. The manual safety also divides users: those who prefer an external safety appreciate it, while others find it an added complexity under stress. ## Pricing **1 offers available** | Vendor | Price | |--------|-------| | Guns Com | $2899.99 | ## Similar Products - [Sig Sauer P320 M17 9mm DAO - Coyote Tan, Modular & Ergonomic](https://gunsnation.com/p/sig-sauer-p320-m17-9mm-dao-coyote-tan-modular-ergonomic/UCE3nObyW) - [Sig Sauer P320 Nitron 9mm - Modular Defense & Sport Pistol](https://gunsnation.com/p/sig-sauer-p320-nitron-9mm-modular-defense-sport-pistol/UCE3nO4Up) - [Sig Sauer P320 M17 Coyote Tan 9mm DAO Pistol - 22 Round Capacity](https://gunsnation.com/p/sig-sauer-p320-m17-coyote-tan-9mm-dao-pistol-22-round-capacity/UCE3nOWh4) - [Sig Sauer P320 M17 9mm Coyote Tan DAO Semi-Auto Pistol with Night Sights](https://gunsnation.com/p/sig-sauer-p320-m17-9mm-coyote-tan-dao-semi-auto-pistol-with-night-sights/UCE3nOdCf) - [Sig Sauer P320 SubCompact 9mm - Modular Defense Pistol](https://gunsnation.com/p/sig-sauer-p320-subcompact-9mm-modular-defense-pistol/UCE3nOEhd) - [Sig Sauer P320 Compact 9mm - Modular Double Action Pistol](https://gunsnation.com/p/sig-sauer-p320-compact-9mm-modular-double-action-pistol/UCE3nOCiC) --- *Data from [GunsNation](https://gunsnation.com)*