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Questions & Answers
What is the barrels length compared to the 4.60 in. stock length? Expert Answer

The TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel measures 5.2" in overall length.

by Ethan, Gear Expert, July 18, 2023
Will this barrel fit the gen 5 mos? Expert Answer

The TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel is not compatible with Gen 5 Glock 21 model pistols. It is only compatible with Gen 3 and 4 Glock 21's.

by Ethan, Gear Expert, June 7, 2023
Customer Reviews
Helpful Positive Review
Nice but NO thread protector by Joe, Verified Owner, October 24, 2019
This is a nice barrel. It functions well. I went the extra $20 over the lone wolf due to the nitride coating, but will need to spend another $20 to get a thread protector. The threads are proper (45 cal) .578x28 not 1/2x28 that are listed in some par...
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9/9 found this helpful
Helpful Positive Review
Better than expected by Dave, February 21, 2024
Very nice barrel for Glock 21. Finish is flawless. Logo is crisp and looks great. Thread protector included. Barrel is quite a bit more accurate than OEM Glock barrel. Would purchase again. Now where's the chameleon finish for this model Glock optics...
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1/1 found this helpful
Helpful Positive Review
Titanium coated by Joker91st, Verified Owner, December 23, 2022
The titanium coated barrel not only looks good but it dropped right in without any issue. Shooting standard target ammo not only were there no malfunctions but the felt recoil was actually less than that of the standard barrel and accuracy was greatl...
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1/1 found this helpful
Helpful Positive Review
For those writing about issues with the threads on these barrels, I’m not sure if you’re aware or not but some Glock 21 barrels are threaded with a metric thread pitch which is 16x1 Left Hand threads. Meaning it screws on counter clockwise. Perhaps t...
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5/5 found this helpful
Helpful Positive Review
NIce snug fit. by Rene, August 8, 2020
Came with a nice thread protector. Nice tight fit after battery. Cycled perfectly and not fussy about ammo. Will eat any 9mm. 3/4" MOA at 50 ft. bench rest. Will do better with correct ammo. I don't know where this was made (OpticsPlanet exclusive?) ...
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1/3 found this helpful
Helpful Negative Review
Looks can fool you by Ricky, May 24, 2020
Great looking barrel and drop in installation was a breeze. Loaded one round in a magazine and racked the slide to make sure the round would chamber before I test fired the barrel without the suppressor attached. Pistol and barrel worked flawlessly. ...
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11/15 found this helpful
Read All 16 Reviews
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel

Discover what your gun is capable of with TRYBE Defense Match Grade Pistol Barrels.image

Precision Engineering for the Glock 21 .45 ACP Platform

Match-Grade. Suppressor-Ready. Performance-Tuned.

Enhance your Glock 21 with a TRYBE Defense Match Grade Threaded Barrel engineered for unmatched precision and reliability in the .45 ACP platform. Crafted from 416R stainless steel — a premium gun barrel material renowned for its high tensile strength and thermal stability — this drop-in barrel upgrade delivers lockup integrity, barrel-to-slide fit, and shot-to-shot consistency, whether on the range or in real-world applications.

Whether you're suppressing for tactical training, building a home-defense setup, or tuning for improved recoil control, this barrel is designed to meet the needs of serious .45 ACP shooters. The .578x28 TPI threaded muzzle accommodates a wide variety of suppressors, muzzle brakes, and compensators, allowing full customization of your Glock 21. A precision-machined thread protector is included, ensuring your barrel remains protected when a device is not installed.

Engineered with a 1:16 twist rate and precision-cut 6-groove rifling, this barrel is optimized to support a broad range of bullet weights and defensive hollow points. Every barrel undergoes post-machining stress relief and heat treatment, ensuring long-term dimensional stability and resistance to barrel whip, throat erosion, and high-round-count fatigue. The drop-in TRYBE Defense Glock 21 Threaded Pistol Barrel requires no gunsmithing and offers match-grade performance in a micro-compact platform — delivering precision where it matters most.

 

If you like what you see, click on the links below to view a wide variety of our best-in-class offerings from TRYBE Defense, TRYBE Optics, and TRYBE Tactical. TRYBE has hard-core offerings ready to augment your favorite firearm or next custom build that offer superb performance, keeping in mind your hard-earned dollar.

TRYBE Defense Gun Parts and Accessories, Gunsmithing Equipment, Personal Protective Equipment, Pistol Parts, Rifle Parts, and Triggers

TRYBE Optics Binoculars, Night Vision, Rangefinders, Red Dot Sights, Riflescopes, and Weapon-Mounted Accessories

TRYBE Tactical Apparel, Eyewear, Gun Cases, Hearing Protection, Holsters, Magazine Pouches, Plate Carriers, and Range Bags

 

IMPORTANT: TRYBE DEFENSE DOES NOT RECOMMEND USING OVERPRESSURE P OR +P AMMUNITION IN TRYBE DEFENSE PISTOL BARRELS

Compatible only with Glock 21 Gen 3-4 models.

Check all local and federal laws regarding modifications.

Specifications for TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel:

Manufacturer: TRYBE Defense
Fabric/Material: 416R Stainless Steel
Threads per Inch: .578x28
Barrel Twist Rate: 1-16
Caliber: .45 ACP
Barrel Material: 416 Stainless Steel
Gun Make: Glock
Gun Model: Glock 21
Model Generation: 4, 3
Condition: New
Country of Origin: USA

Features of TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel:

  • Includes Thread Protector for Safe Carry and Clean Aesthetics When Not Using a Device
  • .578x28 Threaded Muzzle – Standard Thread Pitch for .45 ACP Suppressors and Muzzle Devices
  • CNC-Machined to Ultra-Tight Tolerances (SAAMI Spec) from 416R Stainless Steel to Achieve Match-Grade Precision
  • Drop-In Fit
  • Engineered as a Direct-Fit Replacement for Glock 21 Pistols – No Gunsmithing Required
  • Perfect Lockup and Flawless Cycling Right Out of the Box
  • 1:16 Twist Rifling – Optimized for .45 ACP, Supporting a Broad Range of Bullet Weights and Defensive Hollow Points
  • Heat-Treated & Stress-Relieved to Endure Extreme Firing Conditions and High Round Counts Without Degradation in Accuracy or Structural Integrity
  • Compatible with .45 ACP Ammunition – Standard Pressure Only (Not Rated for +P or +P+)
  • Constructed from 416R Stainless Steel, Offering High Tensile Strength, Corrosion Resistance, and Thermal Stability
  • Black Nitride – Corrosion-Resistant, Low-Reflection Matte Black
  • Gold TiN – Titanium Nitride for Superior Hardness and Standout Aesthetics
  • DLC – Diamond-Like Carbon for Exceptional Wear Resistance, Low Friction, and a Deep Matte Black Finish
  • Precision Machined in the USA

Package Contents:

  • TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel
  • Thread Protector

TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel Orderable Models

List of Orderable Models

  • TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Black Nitride, TPBG21-BN , MPN: TPBG21-BN , UPC: 810030580188 , Code: TRB-PTB-GLK21-TPBG21-BN
  • TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Gold TIN, TPBG21-TIN , MPN: TPBG21-TIN , UPC: 810030580201 , Code: TRB-PTB-GLK21-TPBG21-TIN
  • TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Titanium DLC, TPBG21-DLC , MPN: TPBG21-DLC , UPC: 810030580195 , Code: TRB-PTB-GLK21-TPBG21-DLC

TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Black Nitride, TPBG21-BN , MPN: TPBG21-BN-DEMO , Code: TRB-PTB-GLK21-TPBG21-BN-DEMO
  • USED, TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Black Nitride, TPBG21-BN , MPN: TPBG21-BN-EDEMO , Code: TRB-PTB-GLK21-TPBG21-BN-EDEMO-IN-C
  • USED, TRYBE Defense Grade Threaded Pistol Barrel, Glock 21, .578x28 Thread, Black Nitride, TPBG21-BN , MPN: TPBG21-BN-EDEMO , Code: TRB-PTB-GLK21-TPBG21-BN-EDEMO-RE-A
  • TRYBE Defense Glock 21 Barrel with Thread Protector, Black Nitride , MPN: TPBG21-BN-KIT1 , Code: TRB-PTB-GLK21-TPBG21-BN-KIT1
  • TRYBE Defense Glock 21 Barrel with Thread Protector, Gold TIN , MPN: TPBG21-TIN-KIT1 , Code: TRB-PTB-GLK21-TPBG21-TIN-KIT1
  • TRYBE Defense Glock 21 Barrel with Thread Protector, Titanium DLC , MPN: TPBG21-DLC-KIT1 , Code: TRB-PTB-GLK21-TPBG21-DLC-KIT1
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