SIG P320 Review 2026: 7 Models + M17 vs M18 & Recall Update
SIG P320 Complete Guide 2026: All 7 Models, M17 vs M18 & Safety Update
The SIG Sauer P320 in 2026 is two stories in one — a genuinely brilliant modular pistol that still serves the U.S. Army, and the subject of over 100 active lawsuits alleging it can fire without anyone touching the trigger. This guide covers the entire P320 family (Full Size, Compact, Carry, X-Five Legion, M17, M18, AXG, XTEN), the head-to-head M17 vs M18 differences that confuse most first-time buyers, the 2025–2026 recall/lawsuit landscape including the IDPA ban and ICE departure, and finally — for shooters who want to train without burning live ammo — the SIG-licensed VFC ProForce M17/M18 airsoft replicas and how to use them for draw, reload, and Bill Drill practice with the AirsoftShotTimer app.
When Was the Glock 17 Gen 5 Released? Complete Guide & Training Tips
Glock 17 Gen 5 Release Date
The Glock 17 Gen 5 was officially released on August 30, 2017, marking a significant evolution in this iconic pistol’s history. Glock simultaneously launched two fifth-generation models in August 2017: the Glock 17 and Glock 19, both chambered in 9×19mm Parabellum.
Every Glock Model Explained: 2026 Guide to Numbers, Calibers & Generations
What Does the Glock Number System Actually Mean?
If you’ve ever stared at a Glock display case and wondered why there’s a Glock 17, a Glock 19, and a Glock 45 that somehow isn’t chambered in .45 — you’re in good company. The Glock number system is one of the most misunderstood naming conventions in the firearms world, and it trips up beginners and experienced shooters alike.
Complete Introduction to Glock Pistols
Origin and Naming System of Glock
Glock is a pistol series developed by Austrian engineer Gaston Glock in the 1980s, renowned worldwide for its innovative polymer frame design and reliability. For those new to Glock, you might be curious about its naming convention. Why does Glock have G17, G18, G19 numbering? is a common question many people have.
Glock Caliber Comparison: 9mm vs .45 ACP vs 10mm
Main Caliber Specifications Comparison
Below is a detailed comparison table of Glock’s three main calibers:
| Item | 9×19mm (9mm) | .45 ACP | 10mm Auto |
|---|---|---|---|
| Bullet Diameter (approx.) | 9.01 mm | 11.43 mm | 10.16 mm |
| Common Case Length (approx.) | 19.0 mm | 23.0 mm | 25.0 mm |
| Typical Bullet Weight (gr) | 115–147 gr | 185–230 gr | 155–200 gr |
| Typical Muzzle Velocity (fps / m/s) | Approx. 1150–1300 fps (351–396 m/s) | Approx. 800–900 fps (244–274 m/s) | Approx. 1200–1400 fps (366–427 m/s) |
| Typical Muzzle Energy (ft·lb / J) | Approx. 340–550 ft·lb (460–748 J) | Approx. 260–414 ft·lb (356–561 J) | Approx. 495–870 ft·lb (672–1180 J) |
| Typical Applications | Defense, law enforcement, competition, civilian | Traditional close-range stopping, defense (large caliber) | High energy, hunting, defense, better penetration/long-range energy |
| Advantages (Summary) | Lower recoil, high capacity, easy ammunition availability, strong versatility | High impact (wider bullet), excellent close-range stopping | High energy, flat trajectory, retains energy at longer distances |
| Disadvantages (Summary) | Penetration/stopping power in some situations depends on well-designed bullets | Capacity and recoil not conducive to rapid fire | Recoil, gun wear, and shooter control difficulty; ammunition cost/availability less than 9mm |
| Common Glock Representative Models (Original/Common) | G17 / G19 / G26 / G34 / G43X / G48 | G21 / G30 / G36 / G41 | G20 / G29 |
How to Choose the Right Caliber?
- 9mm: Best suited for beginners and daily training, cheap and readily available ammunition
- .45 ACP: Suitable for users seeking large caliber stopping power
- 10mm Auto: Suitable for situations requiring higher energy, such as hunting or wilderness self-defense
Glock Numbering System Explained: What Do All Those Numbers Mean?
The Truth Behind Glock Numbering System
If you’ve ever wondered “What does Glock 17 mean?” or “What do the Glock numbers mean?”, you’re not alone. Many firearm enthusiasts find Glock’s numbering system confusing.
Glock Gen 1-5 Overview: From Prototype to Modern Evolution
🔹 Glock Generation 1 (Gen 1)
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Era: 1982
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Features: Original version, simple appearance, no finger grooves, smooth grip.
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Purpose: Established the classic polymer frame + striker-fired design.
🔹 Glock Generation 2 (Gen 2)
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Era: Around 1988
Glock Gen 1-5 Representative Models
Overview of Representative Models by Generation
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Gen 1 (approx. 1982–1987)
- Representative: Glock 17 (the first model released, prototype of the Glock series).
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Gen 2 (approx. 1988–1997)
- Common/models introduced or improved to Gen2 style during this period: G17 (Gen2), G18 (select-fire/auto model, released around 1987/1988), G19 (first mass-produced and popularized during this period), etc.
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Gen 3 (approx. 1998–2009)
IDPA Training at Home 2026: 6 Shot-Timer Drills for Draw, Cover & Reloads (Airsoft or Dry Fire)
What is IDPA?
IDPA (International Defensive Pistol Association) is a shooting sport emphasizing realistic defensive scenarios. Unlike IPSC, IDPA focuses more on practical application, requiring shooters to use concealed carry equipment and shoot in scenarios simulating everyday threats.
IPSC Training Guide 2026: Best Starter Pistols, Classification Path & Hit Factor Explained
What is IPSC?
⚡ Quick Answer (if you’re in a hurry)
- What it is: A dynamic shooting sport blending speed, accuracy, and power, scored by Hit Factor (points ÷ time). The motto is DVC.
- Which division to start in: Begin in Production — the tight equipment rules force you to build real fundamentals instead of buying skill.
- Best starter pistol: Glock 17/34 for reliability and parts, then CZ Shadow 2 (ergonomics) or SIG P320 (modularity). Airsoft players on a budget can start with a Tokyo Marui Hi-CAPA or Glock GBB.
- How to practice at home: 10 minutes of daily dry-fire plus airsoft stage walk-throughs, logged with the free Airsoft Shot Timer app PAR mode to track draw and split times.
Jump to Starter Pistol Selection for gun picks, or Training with AirsoftShotTimer to start drilling.