I would recommend the RMR, I used to shoot CO in USPSA and I never had an issue with the rmr. The window is smaller than the DPP but it really shouldn’t make a difference as long as you use good fundamentals for recoil control. I have not used a DPP extensively but I have multiple buddies that have had to send their DPPs in for repair. If you like the large window of the DDP I suggest getting a SRO.
Winner winner chicken dinner
I started competing in USPSA carry optics with a CZ P-10F OR and an RMR. About 10K rounds later, I moved it to my carry gun and bought an SRO for competition use.
The SRO's huge lens makes keeping the dot visible easier during some of the oddball contortions we sometimes have to make in competition, but like he said same is not impossible with an RMR.
The RMR is rugged as hell and none of the so-called advantages of any Holosun product are enough to overcome both the incredible track record that the RMR (especially the Type 2) has and the fact that the RMR is designed, engineered, and manufactured in the US.
I also have a Holosun 507C X2. I bought it mainly as a cheap backup (since it shares the Trijicon footprint) in case either one of my Trijicons might ever need repair. I have given it a fair shake in practice and a few matches and I'm not switching away from Trijicon any time soon. Why?
- The tiny ass buttons on it are a pain in the ass compared to the huge, ergonomic controls on Trijicon reflex sights
- The window ain't hardly bigger than the RMR's and lacks the protruding corners on the frame that take the force of an impact and direct it away from the glass
- The reticles choices are mostly horrible. You can pick between a 2 MOA dot, a 32 MOA segmented circle, or the dot inside the circle.
- A 2 MOA dot is stupid for a handgun. It's fine during overcast days, but bright days make it way too small for me even turned up to its brightest
- Both reticles together are way too fucking busy and draw your eye to it and away from the target: the complete opposite of how you use your eyes with a reflex sight.
- The 32 MOA circle alone is the best choice out of three bad ones. It suffers a bit if you have to make a precise, long distance (25 - 40 yds) shot as you sometimes need to do in USPSA, but for pure defensive use it works just fine.
- Yes you can change the battery without removing the sight from the gun. BFD. Here's why.....when you put the RMR back on the gun after a battery change, it will be pretty dang close zero wise. I then use a laser boresighter that has a taper that snugs up on the muzzle and an expanding arbor to center it in the bore. With that and a 10 yd wall I get the dot boresighted so close that I know from experience I'll be dead nuts on at 15 yards and within 3 inches at 25 yards. Since I can't think of a legally defensible shot I would need to take at 25 yards, I load the pistol and roll with it. Yeah I'll fine tune zero at 25 next time I'm at the range (because I can) but I won't wait to carry the pistol until then.
- It's made in China.
@shields shtr if you've never used a optic-equipped pistol, be ready for a steep ass learning curve unless you are at a USPSA A class (or equivalent) level of skill.
Assuming that you know how to properly grip a pistol (a big assumption from what I have seen) the first thing you will need to fix is your index, meaning where your pistol ends up pointing out of the holster (or after picking it up from a table/whatever) WITHOUT any reference to the sights. You will need to learn to drive that pistol out to the target without taking your eyes off the target and have the pistol not only be pointing right at it but also high enough that the optic is right at eye level. If not, you will struggle mightily and constantly to find/keep the dot in your field of view.
You will need to learn to accept your wobble, particularly when trying to make precise shots. That wobble is always there, you just don't see it when using irons sight.
You will need to learn to accept shooting with the dot looking like a red streak within the acceptable area of the target if you ever want to have a hope of shooting quickly (less than .3 splits to begin).
And you will need to learn to use your eyes completely opposite to what you have ever been told to do with irons. Your focus is 100% on the target with both eyes open and looking around/past the optic so that the dot appears superimposed on target without staring at the dot. This part is very difficult to explain in writing and the best way to find out if you're failing at it is to put a piece of opaque tape over the front of the optic's lens. If you do that and can't see the target any more while pointing the pistol at it, then you know you're focusing on the dot and not on the target.
Just my $.02 from about 20K rounds through RDS pistols in competition, practice, and training over the last 18 months.