Description
The Radian Ramjet Glock 48 Two Tone kit pairs a gray Radianite-coated RAMJET ported barrel with a black AFTERBURNER micro compensator, built specifically for the Glock 48. It is Radian part number R0871, and it drops into the factory slide without gunsmithing, threading, or a longer slide. The result is a flatter-shooting pistol with a two-tone look: the compensator matches a black slide while the gray barrel hood shows through the ejection port.
How the ported barrel and micro comp work together
Most pistol compensators need a threaded barrel and a comp you have to keep tight and timed. This kit skips all of that. The RAMJET barrel has ports cut near the muzzle, and the AFTERBURNER slides over the end of the barrel and locks on with Radian’s INTRA-LOK system: a tapered screw that pulls against a V-groove, so the comp centers itself on the bore every time it is tightened. There are no threads to gall and no crush washers to fiddle with.
When a round fires, gas escapes up through the barrel ports and out the top of the compensator just before the bullet leaves the muzzle. That upward jet pushes the muzzle down against the pistol’s natural flip. On a slimline single-stack carry pistol like the Glock 48, where muzzle rise is what slows follow-up shots, that is exactly where the Radian Ramjet Glock 48 Two Tone earns its place.
Why choose the black and gray finish
Radian offers this kit in all black, bronze, and the black and gray combination on this listing. The Radian Ramjet Glock 48 Two Tone uses a gray Radianite coating on the barrel and black Radianite on the AFTERBURNER. On a black slide the compensator blends in at the muzzle, while the gray Glock 48 barrel hood gives a subtle contrast at the ejection port. If you want the comp to disappear and the barrel to stand out without the brighter bronze look, this is the version to pick. Radianite is not paint; it is a hard, low-friction coating that resists corrosion and carbon wear.
Radian Ramjet Glock 48 Two Tone specifications
- Fitment: Glock 48 and Glock 48 MOS only (not the G43X or G43)
- Radian part number: R0871
- UPC: 810098421027
- Caliber: 9mm
- Barrel: match-grade, ported, threadless muzzle, hardened 416R stainless steel
- Compensator: hardened stainless steel with angled front faces to ease holstering
- Finish: gray Radianite barrel, black Radianite compensator
- Mounting: INTRA-LOK tapered screw, torqued to 15 in.-lb.
- Maintenance: coat the barrel-to-compensator interface with heat-resistant gun oil to prevent carbon lock
- In the box: RAMJET barrel, AFTERBURNER compensator, INTRA-LOK tapered screw, TORX bit
- Legality: sold by Radian as legal for sale in all 50 states
Glock 48 fitment notes
The Glock 48 shares its slimline frame width with the Glock 43X, but the barrels are not interchangeable: the G48 runs a longer 4.17-inch barrel, so this kit is cut for the G48 only. Do not order it for a G43X or a double-stack Glock 19, even though the slides look similar from the side. It fits both the standard G48 and the G48 MOS, and it keeps the factory recoil spring assembly.
Slimline pistols are where the Radian Ramjet Glock 48 Two Tone makes the biggest difference. A light, narrow 9mm with a ten-round magazine is easy to carry but snappy to shoot quickly, and taming that snap is why many G48 owners look at a comp in the first place. Pair it with a Radian Quick Tune guide rod to match spring weight to your ammunition, or an extended magwell for faster reloads.
Installing it at the bench
Installation takes a few minutes. Remove the magazine, visually confirm the chamber is empty, and field strip the slide as the factory manual describes. Pull the recoil spring assembly and the factory barrel, put a light coat of oil on the RAMJET barrel exterior and hood, and drop it into the slide. Reinstall the recoil spring, slide the AFTERBURNER over the muzzle, and tighten the tapered screw to 15 inch-pounds with the supplied TORX bit. Reassemble, then function check before live fire. Keep the factory barrel: the Radian Ramjet Glock 48 Two Tone returns to stock just as easily.
Honest trade-offs to weigh first
A compensator is not free performance. The Radian Ramjet Glock 48 Two Tone is louder and more concussive for you and anyone beside you at the range, and shooting from a retention position close to the body puts hot gas and unburnt powder near your face and clothing. Barrel ports also add visible muzzle flash in low light. If the pistol wears a red dot, expect the lens to collect carbon faster and plan to wipe it after each range trip.
Holster fit is the other question. The AFTERBURNER adds a little length and bulk at the muzzle, so many open-bottom Kydex holsters work while closed-end or tightly molded holsters may not. Check with your holster maker before you carry. Ported barrels also bleed off some gas, so weak or very light range ammunition may not cycle as reliably; run a few hundred rounds of your carry load first. The kit is designed for factory slides and fits many aftermarket slides, but confirm with Radian before ordering for a custom slide.
Who the Radian Ramjet Glock 48 Two Tone suits
The Radian Ramjet Glock 48 Two Tone makes sense for concealed carriers who practice with their G48 and want it to shoot more like a larger pistol. It also suits anyone shopping for a Glock 48 compensator that needs no threaded barrel. It is less compelling if you shoot a few boxes a year or carry in a holster you do not want to replace. For shooters who train regularly and want faster, flatter follow-up shots, the Radian Ramjet Glock 48 Two Tone is one of the cleanest upgrades available, because it changes nothing about the slide, the sights, or how the pistol takes down.
Buy the Radian Ramjet Glock 48 Two Tone from MAG5 Firearms
MAG5 Firearms is a family-owned FFL dealer in Collegeville, Pennsylvania. Barrels and compensators are not firearms under federal law, so this kit ships to your door without a transfer. Prefer another finish? See our all-black Radian Afterburner Ramjet for the Glock 48. For Radian’s own documentation, visit the Radian Weapons product page. Questions about fit? Call 610-943-0010 or email [email protected] and we will help you set up the Radian Ramjet Glock 48 Two Tone with the right carry gear.
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