GLOCK 27 GEN 3 .40 S&W PISTOL ‒ PI27502

GLOCK 27 GEN 3

PRODUCT DETAILS

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GLOCK 27 Gen 3 .40 S&W Pistol – PI27502: Compact Power, Legendary Reliability

When it comes to self-defense and concealed carry, there’s a small handful of firearms that have truly earned a legendary reputation among law enforcement, security professionals, and civilians alike. The GLOCK 27 Gen 3 .40 S&W Pistol is one of them. Known affectionately as the “Baby Glock,” this powerhouse combines compact dimensions, potent stopping power, and GLOCK’s world-famous durability into a package that disappears under clothing yet delivers full-caliber performance when it matters most.

Whether you’re an everyday carrier seeking a highly concealable yet effective sidearm, a professional in need of a reliable backup weapon, or a firearms enthusiast looking for a compact pistol with serious bite, the GLOCK 27 Gen 3 delivers on all fronts. The PI27502 variant remains one of the most trusted models in GLOCK’s lineup, offering a perfect balance between portability, firepower, and ease of maintenance.

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Key Specifications: GLOCK 27 Gen 3 PI27502

• Manufacturer: GLOCK Ges.m.b.H.

• Model: 27 (Gen 3)

• SKU / Part Number: PI27502

• Caliber: .40 S&W

• Capacity: 9+1 (standard magazine), compatible with larger GLOCK .40 S&W magazines

• Barrel Length: 3.42 inches

• Overall Length: 6.49 inches

• Height: 4.17 inches

• Width: 1.18 inches

• Weight (unloaded): Approx. 19.75 oz

• Trigger Pull: ~5.5 lbs

• Frame: Polymer, Gen 3 textured grip

• Finish: GLOCK’s rugged Tenifer matte finish

• Sights: Fixed white-dot front and white-outline rear sights

• Action: Safe Action® striker-fired system

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Why the GLOCK 27 Gen 3 is a Concealed Carry Champion

The GLOCK 27 Gen 3 was built with one mission: to provide a highly concealable, powerful, and dependable defensive weapon for those who cannot compromise on performance. The .40 S&W chambering offers significantly more muzzle energy than many compact 9mm pistols, giving users an edge in stopping power without needing to move up to a full-size handgun.

Compact Yet Potent

At under 20 ounces unloaded and just over six inches long, the G27 Gen 3 slips easily into an inside-the-waistband holster, ankle rig, or even a jacket pocket (where legal). Despite its small frame, it packs a serious punch thanks to its .40 S&W chambering—delivering excellent penetration and expansion with modern defensive ammunition.

Trusted by Law Enforcement

Many police departments across the U.S. adopted the GLOCK 27 as a backup pistol for officers carrying full-size GLOCK .40 S&W models like the G22 or G23. This cross-compatibility means officers can use the same magazines across platforms, an advantage that civilian carriers can also appreciate.

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Features & Benefits of the GLOCK 27 Gen 3

1.

Safe Action® System

GLOCK’s proprietary Safe Action® system incorporates three independent internal safeties: a trigger safety, firing pin safety, and drop safety. This ensures the pistol can be carried with a round in the chamber without fear of accidental discharge—while remaining ready to fire with a consistent, short trigger pull.

2.

Tenifer Finish & Durability

The G27 Gen 3’s slide and barrel receive GLOCK’s ultra-tough Tenifer treatment, making them highly resistant to corrosion, sweat, and harsh environmental conditions. This finish also hardens the metal surface for exceptional wear resistance, ideal for an everyday carry gun.

3.

Polymer Frame

The lightweight yet robust polymer frame reduces carry fatigue while absorbing some of the recoil from the .40 S&W cartridge. GLOCK’s Gen 3 frame texture provides a secure grip, even in wet or gloved conditions.

4.

Magazine Compatibility

The standard 9-round magazine keeps the pistol slim for concealed carry, but the G27 can also accept higher-capacity magazines from the GLOCK 22 (15 rounds) or GLOCK 23 (13 rounds). This versatility means you can carry a compact gun with full-size backup mags.

5.

Ease of Maintenance

Like all GLOCK pistols, the G27 Gen 3 is famously easy to disassemble for cleaning and maintenance. No tools are required—just a few seconds and the slide, barrel, and recoil spring are ready for cleaning.

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Performance: How the GLOCK 27 Gen 3 Handles

The .40 S&W round is known for its snappy recoil, and in such a small frame, you can expect more muzzle rise compared to a 9mm compact. However, with proper grip and training, the G27 remains controllable and delivers fast follow-up shots. Many shooters find the Gen 3’s grip texture and ergonomics help them manage recoil effectively.

Accuracy at self-defense distances (7–15 yards) is excellent, with the G27 consistently producing tight groups. The fixed polymer sights are durable and effective, though many owners upgrade to night sights for enhanced low-light performance.

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Concealed Carry & Defensive Use

Ideal for Everyday Carry (EDC)

The GLOCK 27 Gen 3 is an ideal choice for concealed carriers who want the stopping power of .40 S&W without the bulk of a full-size pistol. Its compact profile means it conceals well under light clothing, and its light weight makes all-day carry comfortable.

Backup Gun for Professionals

Law enforcement officers frequently carry the G27 as a secondary weapon. The magazine and caliber compatibility with larger GLOCK .40 pistols provides a logistical advantage—one ammo type, multiple platforms.

Home Defense Role

While primarily marketed as a carry pistol, the G27 can serve double duty as a home defense firearm. The .40 S&W cartridge offers excellent terminal performance, and with extended magazines, it can be a formidable bedside option.

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Customization & Accessories

The Gen 3 G27 has a robust aftermarket support network. Owners can easily find:

• Night sights / fiber optic sights

• Extended magazine releases

• Trigger upgrades

• Custom barrels (including conversion barrels for 9mm or .357 SIG)

• Grip enhancements or stippling

• Weapon lights (via trigger guard-mounted options)

This level of customization allows you to tailor the G27 to your preferences—whether you prioritize concealment, low-light performance, or competition readiness.

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Ammunition Choices for the G27 Gen 3

The .40 S&W caliber offers a range of loadings to suit different needs:

• Defensive Ammo: Jacketed hollow points (JHP) from brands like Federal HST, Speer Gold Dot, and Winchester Ranger offer excellent expansion and penetration.

• Practice Ammo: Full metal jacket (FMJ) rounds are cost-effective for range use while matching the recoil impulse of defensive loads.

• Reduced Recoil Loads: For shooters sensitive to .40 S&W recoil, certain manufacturers offer lower-powered defensive rounds.

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Advantages of the GLOCK 27 Gen 3 Over Competitors

• Proven Track Record: Decades of use by law enforcement and civilians

• Interchangeable Magazines: Cross-platform compatibility with other GLOCK .40 pistols

• Simplicity: No external safeties to manipulate under stress

• Durability: Resists rust, wear, and environmental abuse

• Aftermarket Support: Wide range of upgrades and accessories

• Ease of Training: Consistent trigger pull and operation across all GLOCK models

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Legal Considerations

Before purchasing or carrying the GLOCK 27 Gen 3, always check your local, state, and federal laws regarding firearm ownership, concealed carry permits, and magazine capacity restrictions. While the G27 is legal in many jurisdictions, some states restrict magazine capacity to 10 rounds.

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Care & Maintenance Tips

• Clean after each range session to maintain reliability.

• Lubricate key points as outlined in the GLOCK manual.

• Inspect magazines regularly for wear and replace if needed.

• Practice regularly with both defensive and training ammo.

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Conclusion: The GLOCK 27 Gen 3 – A Small Pistol with Big Power

The GLOCK 27 Gen 3 .40 S&W Pistol – PI27502 stands as a testament to what a compact firearm can achieve. It offers the perfect blend of concealability, firepower, and rugged reliability. Whether you need a discreet EDC weapon, a professional backup gun, or a versatile defensive pistol, the G27 Gen 3 delivers without compromise.glock 27

From its corrosion-resistant finish and Safe Action® system to its compatibility with full-size GLOCK magazines, every aspect of this pistol is designed with the end-user in mind. This is why, even years after its release, the GLOCK 27 Gen 3 remains a top choice for serious carriers.

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