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The Radian Ramjet and Afterburner combo tackles the two things that matter most on a Glock 19 Gen4: accuracy and control. This is a matched barrel and compensator system engineered to work together from the factory. The Ramjet barrel is cut from hardened 416R stainless steel with a fluted profile to shed weight, while the Afterburner is a compact micro compensator machined from hardened 17-4 stainless steel. Both get a Diamond-Like Carbon coating that handles corrosion and muzzle blast erosion without breaking a sweat.
This is a match-grade barrel that comes with a gas-sealing chamber and loaded chamber indicator. The fluted design isn't just for looks either. The Ramjet delivers a precision cut-rifled bore that shoots tight groups at distance. At 4.42 inches long, it gives you that improved sight radius and longer sight plane without ballooning the package into a full-size gun.
Radian engineered their own solution to bypass threaded barrel restrictions entirely. The Afterburner slides over the unthreaded muzzle and locks down with a tapered screw that interfaces with a V-groove machined into the barrel. No threadlocker, no shims, no setscrews needed. Tighten the locking screw and you're done. The system is repeatable every time you install it and takes seconds to remove for cleaning. The angled front faces on the compensator also won't snag your holster during the draw.
Tested with 115-grain ammo, this combo cuts recoil by up to 44%. That translates to less muzzle rise and faster follow-up shots, especially noticeable when you're running hotter defensive loads. The reduced muzzle flip keeps your sight picture steady so you get back on target quicker. When installed on a G19, the barrel and compensator extend the slide to G17 length, which means it fits all G17 holsters and adds only about 0.47 inches to your carry gun.
Radian backs this combo with a lifetime warranty, and the construction quality reflects how serious they are about durability.
Installation is straightforward since the barrel is unthreaded and uses Radian's INTRA-LOK mounting system. Drop the barrel into your G19 slide like normal, slide the Afterburner over the muzzle, insert the tapered locking screw, tighten it snug, and you're done. Removal for cleaning is just as easy. No tools needed beyond what you already have.
Yes, because this combo extends your G19 to G17 length, it fits any standard G17 holster. The angled front faces on the Afterburner are also designed not to catch when drawing. If you currently use a G19-specific holster, you'll want to switch to a G17 holster for proper retention and draw angle.
The Ramjet uses no threads, which eliminates compatibility issues with certain holsters and avoids jurisdictional questions around threaded barrels. The INTRA-LOK screw system is actually more secure and repeatable than threads, and Radian engineered it so the compensator is perfectly timed to the barrel every single installation.
Radian tests this at 44% recoil reduction with standard 115-grain ammunition. Real-world results vary with ammunition weight and powder charge, so heavier defensive loads will show more dramatic reduction. Most people notice the difference immediately in reduced muzzle flip and faster follow-up shot capability.
| UPC | 810098421058 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | R0874 |
| Caliber/Gauge | 9mm |
| Color | Black, Gray |
| Model | |
| Product Type | Barrel |
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