
- description
The Hi-Capa has been the default answer to “which gas pistol” for two decades, and the reason is the hop unit. Tokyo Marui’s system out-shoots replicas twice its size, which is why Hi-Capas turn up at IPSC matches and in the hands of people who could afford anything. The D.O.R takes that gun and solves the one thing it could not do.
Direct Optics Ready means the slide itself is cut for the sight. Most optic-ready pistols bolt a rail or an adapter plate on top, which raises the dot above the irons and adds mass to a part that has to cycle. Machining the pocket into the slide puts the dot low enough to co-witness and leaves the slide weighing what Marui designed it to weigh.
The internals are not a carry-over either. The D.O.R runs a shorter, snappier stroke and a revised piston, which is why it cycles faster and feels crisper than a standard 5.1 while staying as gas-efficient as the family is known for. The ergonomics follow the same thinking: a flat-faced short-stroke trigger, a semi-long slide stop, deep rear serrations and a cocking rib you can still reach with an optic fitted.
Specifications
| Specification | Detail |
|---|---|
| Platform | Hi-Capa 5.1 |
| Action | Gas blowback |
| Power source | Low pressure gas, 144a |
| Optics | Direct slide mount, high and low adapters included |
| Magazine | 31 rounds, compatible with standard Tokyo Marui 5.1 magazines |
| Velocity | Approximately 280 to 300 fps |
| Hop-up | Fully adjustable |
| Trigger | Flat faced, short stroke |
| Slide stop | Semi-long |
| Length | 220 mm |
| Weight | 839 g |
| Finish | Black with chrome outer barrel, trigger, hammer and safety controls |
| In the box | Pistol, 31 round magazine, high and low optic mount adapters, safety cap, barrel cleaning rod, manual |
| Manufacturer | Tokyo Marui |
| Barcode | 4952839142924 |
Good to know before you buy
Use 144a, not the hot stuff. Marui slides are high-precision plastic and they are specified for low pressure gas. Running high-pressure gas through one is the single fastest way to wear out a slide that would otherwise last years.
Buy the dot and the pistol together if you can. The point of a D.O.R is the optic, the adapters are in the box, and sighting it in once is easier than twice. Micro dots are in our red dot and holo sights section.
Spare magazines are 5.1 pattern. It takes standard Tokyo Marui 5.1 magazines, which is one of the best things about buying into this platform. They are in our pistol magazines section.
Frequently asked questions
What optics will fit?
Micro red dots that mount to the cut in the slide, using the high or low adapter supplied. Tell us which dot you are thinking of and we will confirm before you order.
Is it the same gun as a standard 5.1?
Not internally. Tokyo Marui revised the blowback engine for the D.O.R with a shorter stroke and an improved piston, so it cycles faster and feels different in the hand.
Will it be site legal?
At approximately 280 to 300 fps it sits inside the usual UK sidearm limits, and the figure is a manufacturer approximation rather than a promise. Chrono it at your site like anything else.
Can I run CO2 in it?
No. It is specified for low pressure gas, and CO2 pressure in a Marui slide is how they break. Stick to 144a or a mild performance gas in warm weather.