Looking for RMR-level durability on a pistol too slim for the full-size RMR? The Trijicon RMRcc takes the design principles behind Trijicon’s flagship reflex sight and reworks them into a housing built specifically for the concealed-carry pistols that have taken over the market in the last decade, guns like the Glock 43X MOS, Sig Sauer P365 XL, and Springfield Hellcat.
In this review we cover the RMRcc’s design, reticle, operation, and mounting, then walk through what independent testers found, including the one scenario where it did not fully hold up. We close with an honest read on where the RMRcc fits in your kit.
Trijicon RMRcc Review
The Trijicon RMRcc (CC06-C-3100001) is an open-emitter reflex sight measuring 1.8 x 0.95 x 0.97 inches and weighing about 1.0 oz. It runs a single 3.25 Minute of Angle (MOA) red dot from one A 3-volt lithium coin cell, 20mm across, and the most common red dot battery (about 210 to 240 mAh). Stocked almost everywhere, so a field swap is easy.Full comparison → lithium coin battery, rated for up to 4 years of continuous use at setting 4 of the sight’s 8 brightness levels. Adjustments move point of impact roughly 3 MOA per click across 150 MOA of total travel. The housing is submersible to 20 meters (66 feet), and Trijicon lists MSRP at $734, though street prices typically run well below that.
Trijicon built its name on the full-size RMR, one of the most widely adopted pistol red dots in duty and competition circles. The RMRcc (the “cc” stands for concealed carry) exists because that full-size RMR footprint is simply too tall and too wide for the slim, single-stack-adjacent pistols that dominate the concealed-carry market. The RMRcc shrinks the housing and lowers the profile while keeping the same A high-strength aerospace aluminum alloy (yield about 503 MPa / 73 ksi, roughly 1.8x that of 6061-T6) for only a few percent more weight. The go-to for duty and hard-use pistol optics, often forged.Full comparison → forged aluminum construction and the same design philosophy that made the RMR a category leader.
Top Features of the Trijicon RMRcc
Design
The defining design goal of the RMRcc is thinness. Trijicon cut the width and height down from the full-size RMR to create a housing that rides low and narrow enough to disappear inside a holster built for a slim carry pistol, without the snag risk a taller optic creates during the draw. The trade-off for that compact footprint is a viewing window smaller than the full-size RMR’s, though owners who have run both report that it does not meaningfully slow down finding the dot once you are used to the sight.
The housing itself is forged from 7075-T6 aluminum, the same grade Trijicon uses on the full-size RMR, and independent torture testing backs up that construction. In one dedicated test, the RMRcc held zero through a five-minute water submersion, survived fifteen reps of one-handed slide-racking against a barricade across two magazines with virtually no damage. In a separate review, mallet blows to the front and rear of the pistol between adjustment checks left its groups repeatable. A concrete drop test produced only slight cosmetic housing damage with no initial zero loss.
The one scenario that did move the needle: two shoulder-height drops onto concrete produced a zero shift of roughly a magazine’s width at distance, even though the glass did not fracture and the frame did not chip. Dot brightness stayed consistent through every scenario tested. That single result is the honest caveat on an otherwise strong showing, and it is worth keeping in mind if you expect your carry optic to survive a hard fall onto pavement without any zero check afterward.
Reticle
The RMRcc runs a single 3.25 MOA red dot (a 6.5 MOA version, the CC07, is also available for shooters who prioritize fast acquisition over precision). The Firearm Blog found the dot “crisp in the window,” and The Armory Life saw its brightness stay consistent through every test.
Eight brightness settings, six for daylight and two compatible with night vision devices, plus an automatic mode, cover the range from a sunny range day to a dark room under NODs. In cold-weather testing down to 19°F, one reviewer noted lens fogging occurred, though the dot itself remained visible on the fourth-highest brightness setting throughout.
Operation
The RMRcc uses the same style of ”+” and ”-” buttons on the housing that Trijicon uses across the RMR line, letting you cycle brightness manually or leave the sight in automatic mode to adjust for ambient light. Windage and elevation adjustments move the point of impact about 3 MOA per click, verified in a dedicated “shoot the square” adjustment test where each click reliably tracked to that value.
Battery access is the one operational wrinkle. The CR2032 sits in a tray on the bottom of the optic, which means swapping the battery requires removing the sight from the pistol entirely and re-zeroing after reinstalling it. Owners generally accept this trade-off given the multi-year battery life, but it is a real difference from sights with a side-loading tray that lets you change the battery without touching the mount.
Reliability standing
Trijicon RMRcc (CC06-C-3100001)
Medium confidence based on 3 sources, 3 first-hand.
- Battery
- CR2032: Up to 4 years at the bottom half of 8 brightness settings
What those tests were
- 5 minute water submersion: pass . The Armory Life left the pistol and optic in a bucket of water for five minutes and saw no change in zero afterward; the side controls worked normally.
- One handed slide racking against barricade (15 reps, two magazines): pass . Fifteen rounds and fifteen one-handed racks off a barricade edge left "virtually no damage to the optic" with no change in dot brightness or zero.
- Concrete drop test: pass with caveat . The optic struck the concrete directly; only slight cosmetic damage on the side of the sight and no effect on zero.
- Two shoulder height drops onto concrete: partial . Both drops landed directly on the optic; zero shifted by "about a magazine's width of distance," which the testers called minimal. At the end of all tests the glass had no fractures and the frame no significant chipping.
- Mallet blows to the pistol (front and rear): pass . American Rifleman gave the pistol 10 mallet blows front and rear between each of five box adjustment tests at 10 yards; the corner groups showed adjustment stayed correct and repeatable.
- "Shoot the square" adjustment test: pass . American Rifleman shot the square five times at 10 yards and found the adjustments consistent and true.
- Cold weather test (19°F): mixed . After four hours in a kitchen freezer at 19°F the lens was completely fogged, but the dot was still easy to see on the fourth highest setting outdoors in sun.
- Group violent slide racking against wooden posts (10 to 15 min, about a dozen shooters): pass . At a launch event hosted by Trijicon, roughly a dozen shooters racked their RMRcc sights violently against wooden posts for 10 to 15 minutes, failed to damage any of them and saw no zero deviation.
Aggregated from others' first-hand testing, not our own: this standing deliberately reaches past any one shooter's round count. We surface a sourced reputation tier rather than inventing a score the evidence cannot support.
Full reliability data →Mounting
This is the RMRcc’s biggest planning consideration. It uses its own proprietary RMRcc footprint, which is not interchangeable with the standard RMR footprint, the RMSc footprint, or Holosun’s footprint. If your pistol’s slide is already cut for the full-size RMR, the RMRcc will not drop in without an adapter plate, and in many cases you are looking at dedicated slide milling matched to the RMRcc cut specifically.
On the plus side, aftermarket slide millers offer RMRcc-pattern cuts for popular carry pistols like the Sig P365 family, so fitting one is a well-trodden path even without a factory-native cut. Trijicon also sells dovetail mounts for guns like the Walther PPS and Kimber Micro 9, and adapter plates for Glock MOS slides, including a dedicated plate for the Glock 43X/48 MOS. In a group test where roughly a dozen shooters performed violent slide-racking against wooden fence posts for ten to fifteen minutes, the mounted RMRcc units showed no damage or zero deviation across the group, a reasonable proxy for how the footprint holds up under repeated recoil once properly fitted.
Details
Included with your purchase:
- Trijicon RMRcc sight
- CR2032 battery (installed)
- Sealing plate (for use when the optic is removed from a milled slide)
- Adjustment tool
- Lens cloth
- Instruction manual
Mounting hardware and plates are typically sold separately based on the specific pistol and slide cut.
Warranty
Trijicon backs the RMRcc with a limited lifetime warranty on the housing and optical components against defects in materials and workmanship, with electronic components covered separately under a shorter multi-year warranty from the date of purchase. Registering the optic with Trijicon after purchase is recommended to streamline any warranty claim.
Warranty standing
Trijicon warranty
Lifetime housing, 5-yr electronics, non-transferable
- Housing
- Lifetime
- Electronics
- 5 yrs
- Transferable
- No
- Receipt required
- Unstated
- Registration
- Unstated
- Support
- active
What Testers Reported
Three outlets have published hands-on tests of the RMRcc, and none reports a failure.
Durability: GunSpot instructor Grant LaVelle (The Armory Life, August 2023, on a Springfield Hellcat Pro with a C&H plate) left the pistol in a bucket of water for five minutes, racked the slide one handed off a barricade 15 times and dropped it on concrete, with no change in zero. Two shoulder-height drops straight onto the optic shifted zero by “about a magazine’s width of distance,” the one test it did not fully pass. American Rifleman’s staff (September 2021, a sample on a Walther Q5 Match) struck the pistol 10 times front and rear with a mallet between box tests and found the adjustments repeatable; after four hours at 19° F the lens fogged completely but the dot stayed easy to see. At a launch event Trijicon hosted, Adam Scepaniak (The Firearm Blog, September 2020) watched roughly a dozen shooters rack their sights violently against wooden posts for 10 to 15 minutes without damaging one or moving a zero.
Battery access: The CR2032 sits under the optic, so a swap means pulling the sight and re-zeroing.
Footprint: The RMRcc uses its own footprint, not the standard RMR or RMSc cut, so plan the slide or plate before buying.
Pros & Cons
Pros
- Purpose-built thin housing designed to disappear on slim carry pistols like the Glock 43X/48 MOS, Sig P365 XL, and Springfield Hellcat
- 7075-T6 forged aluminum housing shrugs off mallet strikes, forceful slide-racking, and submersion without losing zero, per independent torture testing
- 3.25 MOA dot that TFB found crisp, with brightness steady through The Armory Life's torture tests
- Long CR2032 battery life rated up to 4 years on a mid brightness setting
- 8 brightness settings plus automatic mode cover daylight glare down to night vision use
Cons
- Proprietary RMRcc footprint is not compatible with the standard RMR or RMSc cut, so mounting options are more limited and often require dedicated slide milling
- Battery sits under the optic body, so replacing it means removing the sight and re-zeroing afterward
- Premium price close to the full-size RMR despite the smaller size
- Shoulder-height drops onto concrete produced a measurable zero shift in independent testing, the one durability scenario where the RMRcc did not fully hold
Conclusion
The Trijicon RMRcc delivers on its core promise: RMR-grade construction and a reliable, bright dot shrunk down to fit the slim concealed-carry pistols that a full-size RMR simply cannot mount to. Every independent torture test we found reports it holding zero through water, forceful slide-racking, and mallet strikes, with only cosmetic damage from a straight concrete drop. The one real durability caveat is that shoulder-height drops onto concrete did shift zero in testing, so it is not entirely immune to hard impacts.
Plan around the proprietary footprint and the under-optic battery tray, and the RMRcc is a strong choice for a defensive or everyday-carry pistol optic from a brand with a long track record in the category.
Alternative Sight Options
If your pistol’s slide is already cut for the standard RMR footprint, or you simply want the wider mounting compatibility that comes with it, the full-size Trijicon RMR remains the benchmark open-emitter reflex sight in this class and shares the same rugged construction philosophy. Shooters who want a A premium housing metal that is stronger than either aluminum grade and effectively corrosion-proof, with excellent strength-for-weight. Found on high-end enclosed optics like the Holosun 508T and 509T.Full comparison → housing on that same RMR footprint should look at the Holosun HE508T, and buyers who want a larger window while staying in the open-emitter category across pistol, shotgun, carbine, and rifle platforms should consider the Leupold DeltaPoint Pro. All three are open-emitter reflex sights like the RMRcc, so the comparison is apples to apples on form factor, even where the mounting footprint differs.
