So the factory handguard has no heat shields? I noticed some heat but nothing major, getting burned by a match would have been hotter. But of course I only shot 1 shot at a time no rapid stuff.
Do you still use the original handguard, without heat shields? How do they handle heat for you? At my most recent range outing, I put them back on my Sport 2 (I really like the Magpul MOE guards); my hand would get hot from fairly rapid fire (the range prohibits really fast shooting, like mag dumps), but not painfully so.