APS Cam870 (MKIII/MK3) Bolt Disassembly Questions

[CoCost]

 Firstly I wanted to preface this by saying, I wasn't entirely sure exactly where this thread would/should belong, so apologies in advanced to the forum mods if it's in the wrong section (if so please move accordingly). 

 

 In short my question is as follows; "Does anyone know what specific tool is required to unscrew the APS Cam870 (MK3/MKIII) bolt pin retaining plate?"

 

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 The longer story; So recently I've been working on trying to finish my custom M-41A Pulse Rifle (dw, I'll document that entire build process elsewhere once finished ), but I've unfortunately since encounter a rather annoying issue. When showcasing the build to some peers I happened to notice that the APS Cam870 (MK3/MKIII) that was installed inside the PR some time back was no longer feeding shells properly!! After a tediously long process of dismantling, inspecting and attempting to reassemble/reinstall everything I finally found the issue; Namely that the Cam870s internal bolt pin had deformed over time!! Apparently a well know issue as a result of dry firing them (wish I'd know this beforehand).

 

 Prior to just giving up replacing the entire Cam870 bolt (which is still an option, they're relatively cheap), I found that APS do also sell a "reinforced firing-pin". As such I figured I'd see if I could simply replace the part that was causing the problems, but unfortunately I personally have no idea and have not been able to find any additional info regarding the specific tool(s) used to unscrew this plate!

 

 Any information that anyone could provide regarding the specifically required tool(s) needed to disassemble and ultimately fix this part would be greatly appreciated.

 

Thanks in advanced 

 

CoCost

 

 

Edited 1 hour ago by CoCost
Typos

[Enid_Puceflange]

I’d be tempted to get a pair of needle nosed pliers onto the holes, or two Allen keys that would fit in, crossed over

[Tackle]

You could also use circlip pliers, they'd be more than up to the job.