Very Little Scope to receiver clearance

[Clark]

955-491-210 49121 30MM LOW MATTE TOP MOUNT RING
SS20X42 Super Sniper 20x42 30mm Rifle Scope
Wilson bull barrel upper

.0015" shim stock is a go.
.003" feeler gauge is a no go.

 

[hounddog]

Put a set of riser mounts on it. You have a weaver rail, so can use ar 15 riser mounts. Sell them at bushmaster and elsewhere. Hope that helps.