I know last year it changed so that trained ranks in the RMR could seamlessly transfer to regular Royal Marines, is this still the case?
And if so what are the restrictions? Would one have to be below the maximum age limit to transfer (I’ll be 32 by the time I start RMR training)?
Is this only for enlisted ranks as well? What if I earnt a commission in the RMR, could I then transfer to regular RM as an officer?
The only route to Officer in the regular service beyond age 25 is Senior Corps Commission - usually SNCO/WO2/1. The role is G4 (support Admin Officer, Logs Officer, Adjutant, not Troop Commander).
RMR Officers Commissioned in the RMR are again G4 roles only, up to age 30. The best way to transfer as a trained Officer or Other Rank is via Full Time Reserve Service on a 12-24 month contract with the option to transfer to regular service.
The issue for reservists tends to be "currency" and skill-fade is the reason Reservists usually joined a deploying unit roughly three months before deployed so they could bring themselves up to speed with their green skills.
As to whether Reservists are readily "accepted" within a unit, it's all down to the individual, their professionalism & humility.
The thing to remember is the green beret is to reflect the criteria elements of training were satisfactorily met at the end of their initial training package - Nothing More, nothing less.
Anyone "giving it large", regular or reserve, officer of other rank in a Commando unit will pretty soon find out that there's always someone bigger, better, more experienced & infinitely wiser who is only too willing to rebrief anyone who mistakenly believes their training is completed.