Radian Ramjet SIG P365XL Bronze Superb Afterburner Comp Barrel Kit

Description

The Radian Ramjet SIG P365XL Bronze kit pairs a bronze Radianite-coated RAMJET ported barrel with a black AFTERBURNER micro compensator, built specifically for the SIG P365XL. It is Radian part number R0841, 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 bronze 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 slim carry pistol like the SIG P365XL, where muzzle rise is what slows follow-up shots, that is exactly where the Radian Ramjet SIG P365XL Bronze earns its place.

Why choose the black and bronze finish

Radian offers this kit in all black, black and gray, and the black and bronze combination on this listing. The Radian Ramjet SIG P365XL Bronze uses a bronze Radianite coating on the barrel and black Radianite on the AFTERBURNER. On a black slide the compensator blends in at the muzzle, while the bronze SIG P365XL barrel hood gives a bold contrast at the ejection port. If you want the barrel to stand out, bronze is the most eye-catching of the three finishes. Radianite is not paint; it is a hard, low-friction coating that resists corrosion and carbon wear.

Radian Ramjet SIG P365XL Bronze specifications

• Fitment: SIG P365XL and P365-XMACRO with the 3.7-inch barrel, 9mm (not the 3.1-inch P365 or P365X)
• Radian part number: R0841
• UPC: 810098420679
• Caliber: 9mm
• Barrel: match-grade, ported, threadless muzzle, hardened 416R stainless steel
• Compensator: stainless steel, Radianite coated
• Finish: bronze 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

SIG P365XL and P365-XMACRO fitment notes

This bronze kit is cut for the 3.7-inch barrel, and Radian lists it for the SIG P365XL and the P365-XMACRO, so it can serve as a P365-XMACRO compensator too. Confirm your XMACRO has the 3.7-inch barrel and not a factory comp slide before ordering. It will not fit the 3.1-inch P365 or P365X, and it is 9mm only. If your XL wears an aftermarket slide, send us the make and model and we will confirm fit.

The longer slide already makes the XL the softest-shooting P365, and the Radian Ramjet SIG P365XL Bronze builds on that while adding a bronze barrel hood that shows at the ejection port. A Radian Compressor guide rod for the 3.7-inch P365 is a natural companion if you want to tune recoil spring weight to your load.

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 SIG P365XL Bronze returns to stock just as easily.

Honest trade-offs to weigh first

A compensator is not free performance. The Radian Ramjet SIG P365XL Bronze 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 SIG P365XL Bronze suits

The Radian Ramjet SIG P365XL Bronze makes sense for P365XL and XMACRO owners who train regularly and want a flatter-shooting carry pistol with a finish that stands out. It also suits anyone shopping for a SIG P365XL compensator that needs no threaded barrel. It is less compelling if you rarely shoot or love your current holster. For shooters who train regularly and want faster, flatter follow-up shots, the Radian Ramjet SIG P365XL Bronze is one of the cleanest upgrades available, since it leaves the slide and sights untouched.

Buy the Radian Ramjet SIG P365XL Bronze 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 black and gray Radian Ramjet for the P365XL. 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 SIG P365XL Bronze with the right carry gear.