What’s the difference between the Glock 27 and Glock 43? The Glock 27 offers more stopping power with its .40 S&W chambering, while the Glock 43 delivers easier concealment and smoother recoil in a slimmer 9mm design.
Both are built for everyday carry, but they serve different needs. Choose the 27 if you prioritize firepower in a compact frame. Go with the 43 if comfort, simplicity, and discreet carry are at the top of your list.
Each pistol does its job well—it just depends on the job you need it to do.
Key Takeaways
- Glock 27 vs. Glock 43: The Glock 27 offers higher stopping power with its .40 S&W caliber, while the Glock 43 prioritizes slim design and ease of concealment with a lighter 9mm round.
- Concealed Carry Comfort: The Glock 43’s slimmer profile is ideal for daily concealed carry, whereas the slightly bulkier Glock 27 may feel less comfortable in tighter setups.
- Recoil Management: The Glock 43 provides softer recoil, making it easier to handle for new shooters or extended practice sessions compared to the snappier recoil of the Glock 27.
- Magazine Capacity: The Glock 27 has a standard capacity of nine rounds (expandable), while the single-stack Glock 43 holds six rounds but can be upgraded with extended magazines.
Quick Verdict — Which Glock is Better for You?
Choosing between the Glock 27 and Glock 43 depends on your specific needs, preferences, and intended use. Both models excel in concealed carry scenarios but cater to different priorities.
| Feature | Glock 27 | Glock 43 |
|---|---|---|
| Caliber | .40 S&W | 9mm |
| Weight (unloaded) | ~22 oz | ~18 oz |
| Barrel Length | 3.42 inches | 3.41 inches |
| Capacity | 9+1 (expandable) | 6+1 (extendable) |
| Recoil | Snappier, more powerful | Softer, easier control |
| Best Use | Power-focused carry, defensive roles | Everyday concealed carry, comfort |
Glock 27: Power and Versatility
The Glock 27 offers a compact frame with impressive firepower. Chambered in .40 S&W, it delivers higher stopping power compared to the 9mm Glock 43. This makes it a preferred choice for law enforcement officers or individuals prioritizing defensive capability over minimal recoil. Its standard magazine holds nine rounds, with extended options available for increased capacity.
If you’re accustomed to handling snappier calibers during range training or defensive drills, the Glock 27’s manageable recoil won’t be an issue. But, its slightly wider grip may feel bulkier when carrying inside-the-waistband (IWB) holsters or appendix positions.
Glock 43: Slim Design and Concealability
The Glock 43 stands out for its slim profile and ease of concealment. Weighing just under one pound unloaded, it’s ideal for daily carry in IWB or pocket holsters without printing through clothing. Its single-stack magazine holds six rounds of 9mm ammunition—sufficient for most civilian self-defense situations while maintaining low recoil.
New gun owners often favor the Glock 43 due to its straightforward ergonomics and controllable shooting experience during practice sessions at the range. Competitive shooters looking for a lightweight backup firearm also appreciate its portability.
Practical Considerations
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Holster Compatibility: The narrower frame of the Glock 43 fits more comfortably in appendix carry setups than the thicker Glock 27.
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Aftermarket Options: Both models support upgrades like night sights, trigger enhancements, and custom grips.
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Training Scenarios: For high-volume shooting sessions, the softer recoil of the Glock 43 reduces fatigue compared to the sharper snap of the .40 S&W round in the Glock 27.
Select the model aligning with your lifestyle—whether you prioritize raw power or discreet everyday carry efficiency.
Key Specs Breakdown
Design & Ergonomics
The Glock 27 features a compact, slightly wider frame designed to accommodate its double-stack magazine. Its grip provides a secure hold for users with medium to large hands but may feel bulky during concealed carry, especially in IWB or appendix holsters. The textured surface enhances control under rapid fire or adverse conditions, making it suitable for law enforcement professionals requiring consistent handling.
The Glock 43 offers a slim, single-stack design optimized for deep concealment. Its narrower profile and lighter weight make it comfortable for extended daily carry, even in tighter clothing or smaller holster setups like AIWB (appendix inside waistband).
While the grip is shorter, aftermarket extensions can improve comfort without significantly increasing bulk. This model appeals to new gun owners prioritizing ease of use and portability.
Caliber & Barrel Length
The Glock 27 chambers .40 S&W rounds through its 3.42-inch barrel. This caliber delivers higher muzzle energy compared to 9mm, providing greater stopping power at close range—a key consideration for defensive scenarios where penetration and impact matter most. But, the recoil is snappier than that of the Glock 43, demanding more experience to maintain accuracy during follow-up shots.
The Glock 43 uses the widely available 9mm cartridge with a similar barrel length of 3.41 inches. Its lower recoil makes it easier to manage during rapid strings of fire or high-stress situations like home defense drills. Many competitive shooters also favor this caliber due to its balance between performance and affordability when training regularly at indoor ranges.
Capacity & Magazine Options
The standard magazine capacity of the Glock 27 holds nine rounds of .40 S&W ammunition. Extended magazines are available from both OEM and aftermarket manufacturers, offering capacities up to 13 rounds while sacrificing some concealability. Law enforcement officers often appreciate these options when transitioning between duty and off-duty roles using compatible gear.
In contrast, the Glock 43 comes with a six-round single-stack magazine chambered in 9mm. For those seeking additional capacity without compromising too much on size, extended magazines holding seven or eight rounds are readily accessible from brands like Shield Arms or factory upgrades by Glock itself. These modifications suit civilian carriers looking for versatility in personal defense configurations.
Trigger Performance & Safety Features
Both models feature Glock’s Safe Action trigger system with an integrated safety lever preventing accidental discharge if dropped improperly handled. The trigger pull weight averages around 5-6 pounds across both firearms but varies slightly depending on user preference after break-in periods or customizations such as connector replacements.
For precision shooting enthusiasts or advanced users practicing dynamic drills at outdoor ranges, the crisp reset on each model allows faster split times between shots without compromising reliability—an essential factor whether you're engaging paper targets or preparing for real-world defensive encounters involving quick decision-making under pressure.
Shooting Performance in the Field
Accuracy & Grouping
The Glock 27 and Glock 43 deliver distinct accuracy profiles due to their calibers and dimensions. The Glock 27, chambered in .40 S&W, provides tight groupings at close ranges of up to 15 yards when handled by experienced shooters accustomed to its snappier recoil. Its heavier caliber demands precise trigger control for consistent results during rapid fire or defensive drills. This makes it a solid choice for law enforcement officers who prioritize stopping power.
In contrast, the Glock 43's slim frame and lighter 9mm caliber make it easier to achieve accurate follow-up shots, especially for new gun owners or those with smaller hands. At distances of up to 20 yards, you can expect reliable grouping suitable for personal defense scenarios or range practice.
Competitive shooters often favor the Glock 43 for its controllable muzzle rise and predictable shot placement under stress conditions.
Reliability & Durability
Both models uphold Glock’s reputation for reliability under various environmental conditions. The Glock 27’s robust design handles high-pressure .40 S&W loads without compromising performance, making it ideal for duty use or concealed carry in demanding climates. It resists malfunctions even after exposure to dirt, moisture, or extended firing sessions—key factors valued by military units and tactical professionals.
The Glock 43 excels as a low-maintenance option for everyday carriers prioritizing simplicity. Its single-stack magazine reduces potential feeding issues while maintaining smooth cycling across different ammunition brands. Whether you're using standard FMJ rounds at the range or premium JHPs (jacketed hollow points) for self-defense, both pistols perform reliably with minimal cleaning requirements.
Recoil and Handling for Different Use Cases
Recoil management differs significantly between these two models due to caliber size and grip ergonomics. The Glock 27 generates more pronounced recoil from its .40 S&W chambering but offers excellent handling with proper technique. Users with medium-to-large hands benefit from its wider grip surface during controlled pairs or defensive shooting drills.
The Glock 43 caters better to individuals seeking reduced felt recoil and enhanced comfort over prolonged use. Its slimmer profile fits securely into IWB holsters like Alien Gear Holsters made of Boltaron material, ensuring discreet carry without sacrificing draw speed. For appendix carry enthusiasts or competitive shooters practicing quick transitions between targets, the manageable recoil of the Glock 43 enhances overall efficiency during dynamic scenarios such as IDPA matches or home defense simulations.
Concealed Carry & Practical Use
Comfort for Daily Carry
The Glock 43 offers superior comfort for daily concealed carry due to its slim, single-stack design. At just over 1 inch wide and weighing approximately 18 ounces unloaded, it fits discreetly inside waistband (IWB) holsters or appendix carry setups without creating noticeable printing under clothing.
Its reduced dimensions make it ideal for users prioritizing lightweight options during extended wear, such as office workers or casual carriers.
In contrast, the Glock 27's slightly wider grip—measuring 1.18 inches—and heavier frame at roughly 22 ounces unloaded provide a more robust feel but may create bulk in tighter concealment scenarios.
While some law enforcement officers prefer the added heft for improved control with .40 S&W rounds, civilian carriers might find it less comfortable for prolonged use unless paired with high-quality holsters like Alien Gear’s Boltaron IWB models. Both pistols accommodate various carry positions, though the Glock 43 excels in minimalist setups.
Draw Speed & Accessibility
Both models support quick draw speeds when paired with appropriate holster systems, but their designs cater to different user preferences. The Glock 43’s compact profile allows smoother draws from tight-fitting IWB or appendix rigs, making it an excellent choice for everyday carriers focused on speed and discretion in self-defense situations.
The Glock 27 provides a firmer grip surface due to its thicker frame, which can enhance retention during rapid draws from outside waistband (OWB) or duty-style holsters commonly used by law enforcement personnel.
But, this increased width might slow accessibility slightly when carried in deeper concealment methods like ankle rigs or smaller IWB configurations. Training regularly with your chosen holster type ensures consistent performance regardless of firearm selection.
Holster Recommendations
Selecting the right holster for your Glock 27 or Glock 43 is important for safe, efficient carry. Both models accommodate a variety of holster styles, each suited to specific scenarios and user preferences.
OWB, IWB, Appendix, Chest & Other Options
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OWB (Outside-the-Waistband): OWB holsters offer comfort and accessibility during range training or open carry. For the Glock 27's compact frame, consider rigid polymer options with adjustable retention. The slimmer Glock 43 pairs well with lightweight OWB designs that minimize bulk while maintaining secure fitment.
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IWB (Inside-the-Waistband): IWB holsters are ideal for concealed carry due to their discreet positioning. Hybrid designs combining leather backers and Kydex shells work effectively for both models. Users carrying the wider Glock 27 may prefer padded edges to reduce pressure points, while single-stack carriers like the Glock 43 benefit from ultra-slim profiles.
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Appendix Carry: Appendix rigs provide rapid access in close quarters but require proper adjustment for comfort and safety. Minimalist appendix holsters made of Boltaron, such as those by Alien Gear Holsters, ensure durability and concealability whether you're carrying the thicker Glock 27 or the streamlined Glock 43.
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Chest Rigs: Chest-mounted holsters suit outdoor activities like hiking or hunting where waistband carry isn't practical. Modular chest rigs designed for subcompact pistols securely house either model without compromising mobility.
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Other Options: Ankle holsters can serve as backup solutions for law enforcement professionals using the Glock 43 due to its lighter weight. Pocket holsters also complement the slim design of the Glock 43 when deep concealment is necessary.
Regular practice drawing from your chosen holster type ensures consistent performance under real-world conditions.
Final Thoughts — Which One Should You Choose?
Choosing between the Glock 27 and Glock 43 eventually comes down to your specific needs and preferences. Both models excel in reliability, durability, and performance, but they cater to different priorities. If you value firepower and don’t mind a slightly bulkier frame, the Glock 27 is a strong contender. On the other hand, if comfort, ease of concealment, and manageable recoil are at the top of your list, the Glock 43 may be better suited for you.
Take time to evaluate how each firearm feels in your hands and consider your intended use. Whether it’s for daily carry or personal defense, pairing your choice with proper training and a quality holster will ensure confidence and effectiveness when it matters most.
Frequently Asked Questions
1. What are the main differences between the Glock 27 and Glock 43?
The Glock 27 is chambered in .40 S&W, offering more stopping power with a standard magazine capacity of nine rounds. It has a wider grip and heavier frame, making it bulkier for concealed carry. The Glock 43, on the other hand, is slimmer, lighter, and chambered in 9mm with a six-round magazine capacity. It’s easier to conceal and manage recoil, making it ideal for new shooters or those prioritizing comfort.
2. Which handgun is better for concealed carry: Glock 27 or Glock 43?
The Glock 43 is generally better for concealed carry due to its slim profile and lightweight design, which makes it comfortable for extended wear without printing through clothing. However, if you prioritize firepower over size, the Glock 27 may be a better choice despite its slightly bulkier frame.
3. Is the recoil manageable on both models?
Yes, but they differ in recoil characteristics. The Glock 27 generates more pronounced recoil due to its .40 S&W caliber, requiring experience to handle effectively. The Glock 43 has reduced felt recoil thanks to its smaller caliber (9mm), making it easier to control during follow-up shots—especially for beginners.
4. How does magazine capacity compare between the two models?
The Glock 27 has a standard magazine capacity of nine rounds with options for extended magazines that hold even more ammunition. The Glock 43 comes with a six-round single-stack magazine but also offers extended options for increased capacity.
5. Which model is better suited for new gun owners?
The Glock 43 is typically recommended for new gun owners because of its straightforward ergonomics, lighter weight, reduced recoil, and ease of handling compared to the snappier .40 S&W caliber of the Glock 27.
6. Are both models reliable for personal defense?
Yes, both models are highly reliable and durable firearms suitable for personal defense. They feature Glock’s Safe Action trigger system and are built to perform consistently under various conditions.
7. Can I use different holster styles with these guns?
Absolutely! Both models are compatible with various holster styles like OWB (Outside-the-Waistband), IWB (Inside-the-Waistband), appendix carry rigs, chest-mounted holsters, and ankle holsters (ideal as backups). Choose one based on your preferred carry method and practice regularly with it.
8. Which firearm offers better shooting performance at close range?
The Glock 27 excels at close-range shooting due to its tight groupings and powerful .40 S&W caliber—making it popular among law enforcement officers. Meanwhile, the Glock 43 provides smoother follow-up shots thanks to its controllable recoil and ergonomic design.
9. Is there a significant difference in comfort when carrying daily?
Yes! The slim design of the Glock 43 makes it much more comfortable for daily concealed carry compared to the wider grip and heavier frame of the Glock 27—which can feel bulky in tighter concealment scenarios.
10. How do I decide between these two handguns?
Your decision should depend on your priorities: choose the Glock 27 if you value firepower (.40 S&W) and don’t mind extra bulk; opt for the Glock 43 if you prefer ease of concealment, lighter weight, reduced recoil (9mm), or are new to firearms ownership.