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Theoben Rapid Forum

Theoben General Chat Area => Theoben Rapid Discussion => Topic started by: JR on October 22, 2025, 05:45:33 AM

Title: A dumb question, apologies.... Mk1 and Mk2 parts compatability
Post by: JR on October 22, 2025, 05:45:33 AM
Probably been answered hundreds of times before but my personal experience is just Mk2 based.

Ive got a rough idea of interchanagability, but wanted to sepcifically check on Mk1 Mk2 barrels and if they can be swapped, rifles from 2003 and 2005. I think most of the interals ie mags probes and hammers, exhaust values are broadly similar. I have 2 Mk2 barrels and 2 bottles in my gun room and a chance to pick up a used Mk1.  It would be great if they could be used.

Any advice appreciated.   

Jit
Title: Re: A dumb question, apologies.... Mk1 and Mk2 parts compatability
Post by: Ca_Varminter on October 22, 2025, 06:09:49 AM
There are No dumb questions!!!
In fact this one I will leave for the Rapid doctor to answer...KevG!!!
I only play with MKII.....

Sorry, KevG should be around shortly....

atb,
Stuart
Title: Re: A dumb question, apologies.... Mk1 and Mk2 parts compatability
Post by: KevG on October 22, 2025, 10:37:20 AM
hammers are definitely different  even between different mk2 trigger types.all valves fit but have to have the correct poring size for rapid type.
kevG
Title: Re: A dumb question, apologies.... Mk1 and Mk2 parts compatability
Post by: JR on October 22, 2025, 07:15:27 PM
Quote from: KevG on October 22, 2025, 10:37:20 AMhammers are definitely different  even between different mk2 trigger types.all valves fit but have to have the correct poring size for rapid type.
kevG
Thanks. How about barrels between the mk1 and mk2?
Title: Re: A dumb question, apologies.... Mk1 and Mk2 parts compatability
Post by: angrybear on October 29, 2025, 01:53:58 PM
Barrels can swap but porting is different on a reg'd rife to a fast flow, FF's use a smaller port to give a wider "sweet spot" over the pressure drop
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