However, others will assert that any and all steps must be take to prevent the pin from moving side-to-side. Even to the point of fabricating oversize link pins from sets of gauge pins available in 0.0001" increments for about $100, as shown on pages 6 & 7 in this catalog: http://www.deltronic.com/literature/pin-gage-plug-gage-guide.pdf#page=3
To put it all into perspective, a look at the Army Ordnance blueprints for the barrel and link pin (available in our Tech Issues section, 14th link down from the top) shows the largest hole can be 0.155" diameter and the smallest pin can be 0.1545" diameter.
The decision is yours to make. But if you do decide to stake it, do it this way: