Heckler & Koch SL8-4 20" Heavy Match Barrel, .223Rem

2014 date code of manufacture (at least for the one pictured).

Can you take the handguard off and check around the barrel nut visually (probably using a flashlight) to see if there is any evidence of using locktite? Around 2010, 2011 they started to locktite the barrel nut to make changing the barrel require heating up the chamber to get the loctite to release, which is anti-consumer bullocks if you ask me.

Just curious whats so bad about this? Mossberg dose the same with their mag tube.
 
I have one of these with both long and short rails. I mounted a Vortex Strike Eagle to the short rail with low rings and it works pretty well - tiniest fraction high. Great rifle though!
 
Well the nea adaptor turned my gun into a jam on matic, mag rocks back and forth and is really sloppy. The spuhr you have to beat the mag in to it to get it to lock its so tight. It does feed better but has problems on the last round. The finish doesn't match either. The hk 416 magwell had to be dremeled to get it to fit properly and mag height is too low, won't feed at all. That's the only ones Ive tried so far besides the factory 243 magwell
 
Well the nea adaptor turned my gun into a jam on matic, mag rocks back and forth and is really sloppy. The spuhr you have to beat the mag in to it to get it to lock its so tight. It does feed better but has problems on the last round. The finish doesn't match either. The hk 416 magwell had to be dremeled to get it to fit properly and mag height is too low, won't feed at all. That's the only ones Ive tried so far besides the factory 243 magwell

Thanks for the info Mikeschurman. I was looking for a mag adapter and was trying to decide between the NEA, Spuhr and the couple that they had on HK Parts.
 
Well the nea adaptor turned my gun into a jam on matic, mag rocks back and forth and is really sloppy. The spuhr you have to beat the mag in to it to get it to lock its so tight. It does feed better but has problems on the last round. The finish doesn't match either. The hk 416 magwell had to be dremeled to get it to fit properly and mag height is too low, won't feed at all. That's the only ones Ive tried so far besides the factory 243 magwell

Interesting. The spuhr magwell works wonderfully or I should say worked wonderfully. I sold the gun. What do you mean hk416 magwell?
 
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