Description
The Radian Afterburner Ramjet Glock 48 is Radian Weapons’ threadless compensator kit for Glock 48, sold as part number R0844. It pairs the RAMJET ported pistol barrel with the AFTERBURNER micro-compensator, joined by Radian’s INTRA-LOK taper interface. There are no muzzle threads to cut and no gunsmithing involved: the barrel drops into the slide and the compensator clamps to it. MAG5 Firearms stocks the black Radianite version under UPC 810098420709.
How the Radian Afterburner Ramjet Glock 48 works
The Ramjet ported barrel is match-grade, cut-rifled and machined from hardened 416R stainless steel. It is fluted to shed weight and heat, and a gas sealing chamber sits behind the muzzle to route propellant gas into the compensator instead of letting it vent straight forward. Because the muzzle is left unthreaded, the Radian Afterburner Ramjet Glock 48 stays usable in states that restrict threaded handgun barrels, and a loaded chamber indicator is cut into the hood.
The Afterburner micro compensator slides over that gas chamber and locks down on one tapered screw at 15 inch-pounds. That is what the threadless INTRA-LOK mount buys you: no thread timing, no crush washer, no thread locker to break free later, and the whole assembly comes back off in a couple of minutes. Radian rates the barrel and compensator together at a 44 percent reduction in felt recoil with 115-grain ammunition.
Radian Afterburner Ramjet Glock 48 specifications
- Fitment: Glock 48 only
- Barrel: match-grade, cut-rifled, fluted, ported, non-threaded muzzle
- Barrel material: hardened 416R stainless steel
- Compensator material: hardened stainless steel
- Finish: Radianite black on both components
- Mounting: INTRA-LOK tapered screw, 15 in.-lb.
- Ammunition: 9mm, 115 grain and heavier
- In the box: Ramjet barrel, Afterburner compensator, tapered screw, TORX bit
Radian publishes the full fitment chart and torque figures on its own product page.
What the Radian Afterburner Ramjet Glock 48 changes on the range
On a slimline gun the effect is pronounced. A thin 9mm has less mass to absorb the same impulse, so a Glock 48 compensator does more visible work than the same device on a full-size frame. Shooters usually notice the second shot landing sooner rather than the first shot feeling softer.
The trade is that a slimline Glock barrel has less material around it to begin with, and the assembly adds weight right at the muzzle of a pistol chosen for being light. If you bought the G48 because it disappears under a shirt, weigh that honestly before committing.
Fitment and holsters
Check the fitment before you order, because these kits are not interchangeable between models or generations; the hood and lug geometry differ. This Radian Afterburner Ramjet Glock 48 is cut for Glock 48 only, and nothing else. Radian builds separate part numbers for every other host pistol, and none of them cross over.
Holsters are the real constraint here. The G48 is a slimline frame, and comparatively few makers cut a slimline shell with the extra muzzle clearance this kit needs. Check that your holster maker lists a compensated G48 option before you order.
The honest caveats
A compensator is not free performance, and the Radian Afterburner Ramjet Glock 48 is no exception. Redirecting gas upward makes the pistol noticeably louder to the shooter and to anyone standing beside you, and it throws more gas, unburned powder and particulate back toward your face. Indoors, or shooting from a compressed retention position, that is genuinely unpleasant.
Ported barrels and compensators also foul quickly. Expect to scrub carbon out of the Afterburner micro compensator far more often than you would clean a plain muzzle, and expect the Radian Afterburner Ramjet Glock 48 to want cleaning on a schedule closer to a suppressed gun than a stock one.
Hanging a compensator on the gun also changes slide timing. Radian says plainly that the Radian Afterburner Ramjet Glock 48 can require adjustment to recoil spring, lubrication or ammunition choice. Light 115-grain range loads are the floor the system is designed around, and anything weaker can short-stroke. If the pistol has a defensive role, put a couple hundred rounds of your actual carry load through it before you trust the setup.
Check local law as well. The Ramjet ported barrel ships unthreaded and is sold as fifty-state legal, but some municipalities restrict compensated or ported handguns, and several competition divisions bar them from stock classes. Because there are no muzzle threads, the Radian Afterburner Ramjet Glock 48 is not a suppressor host either; if a can is in your future, buy a threaded barrel instead.
Who the Radian Afterburner Ramjet Glock 48 suits
Slimline carriers who want the muzzle flip of a thin 9mm brought under control. Worth being honest that a compensator on a carry gun is a trade: flatter shooting on the range, more blast and flash if it is ever used in the dark.
The Radian Afterburner Ramjet Glock 48 comes off in minutes and leaves no permanent change to the pistol, so it is a reversible experiment rather than a commitment. If you run a Gen 6 Glock as well, we stock the all-black Glock 19/45 Gen 6 kit, and the Radian Glock 19 quick-tune guide rod is the usual companion for dialling recoil spring weight back in once the compensator changes the timing.
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