Originally Posted by RobF
As far as I remember you telling me, the opening on the walther Alutec is tapered, so a **** placed from inside the action blocking it cannot be pulled out without removing the stock. I'm not sure how the other stocked variants are affected. IIRC the anatomic doesn't have the ability for adjustment without stock removal.
Yes a plug fitted from the inside cannot be pulled out externally, I've made them press fit & then used a low strength thread lock on them, they could be knocked back out if needed but the action would need to be removed first.