Description
Transform your Gen 4 Glock 19 into a flatter-shooting duty pistol with this DLC-finished compensator system explicitly engineered for Glock’s fourth-generation dual-spring platform.
The Glock 19 Gen 4 introduced Glock’s innovative dual-recoil-spring assembly, but rapid-fire strings can still challenge muzzle control on this compact platform. This Black Afterburner and Ramjet combination addresses that challenge directly by redirecting gases upward through precision-engineered ports, delivering significant recoil reduction while maintaining your G19’s concealability. The DLC (Diamond-Like Carbon) coating provides a tactical, understated appearance with superior corrosion and wear protection. Installation requires no permanent modifications—the INTRA-LOK taper-lock system secures the compensator perfectly without threading, timing washers, or gunsmithing services, making it legal in all 50 states.
Key Features
- Gen 4 Platform Engineering: Specifically designed for Glock 19 Gen 4 pistols, ensuring perfect fitment with Gen 4’s dual recoil spring system, unique slide dimensions, and barrel lockup—making this the ideal upgrade for the generation that introduced Glock’s improved recoil management.
- DLC (Diamond-Like Carbon) Coating: Both barrel and compensator feature a hardened DLC finish that provides a matte tactical appearance while delivering low friction, high surface hardness, and superior corrosion resistance against sustained muzzle blast.
- INTRA-LOK Mounting System: Proprietary taper-lock design uses a locking screw that interfaces with an angled V-groove on the barrel, ensuring perfect compensator timing and allowing easy barrel removal for cleaning without thread-locking compounds.
- G17-Length Compatibility: The 0.47-inch compensator extends your G19 Gen 4 slide length to match Glock 17 specifications (approximately 7.32 inches), opening compatibility with the vast selection of G17 holsters while maintaining your G19’s original grip length and concealability.
Important Compatibility Notes
- Designed exclusively for Glock 19 Gen 4 (or compatible Gen 4 clones like PSA Dagger, Polymer80 compact frames).
- NOT compatible with Glock 19 Gen 3 or Gen 5 models due to differences in barrel design and recoil spring systems—Gen 4 has a larger slide cutout for the dual recoil spring assembly.
- Optimized for 124-grain and heavier 9mm ammunition for best compensator performance.
- Requires open-ended holster designs or G17-specific holsters; closed-end G19 holsters will not accommodate the extended length.
- Works with factory-height Glock sights; suppressor-height sights not required, but compatible.
Why We Carry It
The Glock 19 Gen 4 was a milestone release that introduced Glock’s dual recoil spring system to the compact 9mm platform—a design originally developed for the snappy recoil of .40 S&W chamberings. This dual-spring system provides smoother cycling and reduces frame wear compared to earlier single-spring Gen 3 models, making the Gen 4 an excellent foundation for compensator upgrades. Radian engineered this combination specifically to work with the Gen 4’s unique recoil system and larger slide cutout. The DLC coating provides a surface treatment significantly harder than conventional PVD or Cerakote finishes with near-diamond hardness and lubricity that resists carbon adhesion during extended shooting sessions. At only 0.47 inches long, the Afterburner compensator achieves performance that rivals compensators twice its size while adding less than 1 ounce to your G19’s weight.
Frequently Asked Questions
Does this work with the Gen 4’s dual recoil spring system, or do I need to change springs?
This system is specifically engineered for the Gen 4 Glock 19’s dual-recoil-spring assembly and works perfectly with the factory Gen 4 spring setup. You do not need to change your recoil spring. The Gen 4’s dual-spring system already provides smoother cycling than Gen 3 models, and the Afterburner compensates for muzzle rise without requiring spring modifications. Some shooters running very light 115-grain ammunition may experiment with slightly reduced-power springs, but this is optional—the system functions reliably with the factory Gen 4 dual spring and 124-grain or heavier ammunition.
How does extending my G19 to G17 length affect concealability?
The compensator adds 0.47 inches to your slide length, bringing it from approximately 6.85 inches to 7.32 inches (G17 equivalent). Most concealed carriers report minimal impact on concealability, as the compact G19 Gen 4 grip length remains unchanged. The real advantage is accessing the broader G17 holster market, which offers significantly more options than G19-specific enclosed holsters. Many appendix carriers find the added length actually improves balance in the holster, reducing the tendency to tip outward at the grip. The compensator’s angled front face prevents snagging during the draw.
Is the installation truly drop-in, or will I need a gunsmith?
Installation is genuinely straightforward and requires no gunsmithing. The kit includes the TORX tool needed for the INTRA-LOK screw. Simply field-strip your G19 Gen 4, replace the factory barrel with the Ramjet barrel, slide the Afterburner compensator over the barrel until it seats against the slide face, then insert and tighten the locking screw to 15 inch-pounds. The taper-lock principle automatically times the compensator correctly without a thread locker or torque specifications beyond the mounting screw. Most users complete installation in under 5 minutes.
Spec Sheet
- Product Code: G19G4ILRN
- Series: AFTERBURNER + RAMJET Combo
- Platform: Glock 19 Gen 4 (or compatible Gen 4 clones)
- Caliber: 9mm Luger
- Finish: Black DLC (Diamond-Like Carbon)
- Compensator Material: Hardened 17-4 stainless steel
- Barrel Material: Hardened 416R stainless steel
- Surface Treatment: DLC coating (barrel and compensator)
- Hardness Rating: Near-diamond hardness (DLC coating)
- Mounting Technology: INTRA-LOK threadless taper-lock system
- Compensator Length: 0.47 inches
- Slide Extension: Increases G19 Gen 4 slide length to G17 equivalent (approximately 7.32 inches)
- Ammunition Optimization: Engineered for 124-grain and heavier 9mm (functions with all standard weights)
- Barrel Features: Match-grade, fluted profile, gas sealing chamber, loaded chamber indicator
- Installation: Drop-in (no gunsmithing required)
- Holster Compatibility: G17 holsters and open-ended G19 holsters
- Manufacturer: Radian Weapons
- UPC: 817093028725
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