RTI MORA .25 cal Standard Review after 4 months ownership

Hi fellas, here is my impressions about RTI Mora 4500 slugs after receiving it.

Again, I’m not sponsored nor I got anything in return for this…well.. if you consider a hat shipped with spare parts as being paid or sponsored, go ahead, it’s up to you.

I really like to be honest giving credits when it is deserved.

This time I will jump to conclusions first then I’m going to walk trough what I like and what I don’t. These are just my opinions and nothing comes from “ What I have been told” but straight from what I have experienced.


In my opinion, having tried/owned most of the major Airgun Manufactures the RTI Mora is a real gem and the best, most accurate slug Airgun ever tried. It’s reliable, consistent, it never ever looses it’s POI even after cleaning unless your remove the shroud, it’s not cold bore shot dependable which means you could virtually hit a target from your first shot without refreshing your plenum and it will maintain the same velocity reading from the first shot to the set Reg pressure with really tight standard deviation and extreme spread of less than 9 fps. If your gun doesn’t do that problems apart, it’s your fault due to an incorrect valve setting.
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I’m not saying there is not anything else on the market but this gun suits all my needs.

A further explanation is necessary to explain what my needs are: my Mora is a hunting set up so I’m not necessarily looking for the best accuracy on paper what truly matters to me is power, killing power and a high BC because I love extreme long range hunting. I do not shoot in competitions, I do not care… so if you are more focused on PRS or target shooting this gun might not for you.

Most of my shots are from 80/100 m but inside 200 m range, and a good amount up to 350/400 m on steel.The only slug Brand capable of producing an awesome expandable projectile up to 300 m is ZAN Projectiles, at least here in Europe, other than that anything else stop expanding after 180 m, zipping trough a ballistic gel block like a pencil.

Another thing worth mentioning about this topic is that I do not shoot animals past 200 m normally, way too many variables and I do not like injuring those pests but it happened sometimes especially in the right conditions that I shot them so having a good hollow point slug is key.

Having said that, those Zan 45 gr slugs at 1033 fps delivering 107 ft/lbs or 145 j are unmatched precision and expansion by anyone else. They look like they were made for that fantastic RPB barrel which will stamp those tiny groups over and over again.: it’s a sub moa gun in the good weather conditions

What I like also about Mora is the ability to deliver a tremendous amount of power even with “only 600 mm barrel” and the possibility of running very high Reg pressures, talking about my Mora set up I’m testing the gun with only one Reg: I deleted the first Regulator and I’m running the second Reg with 180 bar pressure. I have to say I was skeptical about a proper Reg functioning, especially because I fill up the gun with 315 bar but it’s working awesome with no issues at all.

My next goal is start making my own Boat Tail Hollow point slugs, boat tails are the future in the Airgun world and I’m looking of high bc hp slugs in the 50/55 gr range. I have 66 pounds of beautiful Zan lead wire laying around in my basement waiting for a .25 cal Corbin die with BT punch to come. I wish I could get my hands on something with the above characteristics but here in Europe there is no manufacturers producing them yet so I’m not the person giving up on something I’m passionate about so I decided to invest on that.

Finally talking about those two things I do no like about the RTI Mora:

The rubber butt pad comes off very easily so I bought a 3d printed adjustable Butt Pad which makes the gun more ergonomic and enjoyable to shoot from a prone position.

The gun is very butt heavy, shooting from a tripod or a post it’s not easy. I did not find a permanent solution yet but nothing that wont be fixable with adding proper weights distributed on the front of the bottle rail.

Last but not least, technical support:

RTI Arms technical support is second to none, I received fast answers from Rok Avbar and Jakob Bončina when I messed around with the gun and received spare parts in one week after I assembled a reg part upside down damaging it.
In 4 for months I had one leak only so I changed only a worn out valve o ring but in the mean time I serviced the entire valve system just to be sure.