Originally Posted by
shootdr1
I run the super 42 in almost all my Ars and they are great. I have one on a PWS buffer tube and it is fine also. The thing is rifles are all different. I recently put the Vltor A5 on a lower build and wanted to test it on some of my 11.5's. I ran three different 11.5's, and LMT, DD, and a custom one and NONE of them would lock the bolt back on the last rd. using the H0 buffer and vltor spring. I swapped lowers to the super 42 and all of them worked 100% as usual. So, to me using it on any of my 11" guns is a no go. I tried three different mags as well and also tried higher pressure ammo and still did not lock back. Super 42 locks back on even 223 Remington ammo. But the A5 works on my 16" LMT fine.
Grab the Geissle next week on sale.
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