06-10-2020, 02:09 AM
oldhunter1954 Wrote:I have an 18" Grendel Hunter complete upper and I have a standard carbine buffer and spring. No problems with rounds cycling or bolt locking back. It came with an adjustable gas block but I have not made any changes to it. Please share what spring and buffer you choose.
Ended up going with a 4.3 oz buffer weight and strike industries flat carbine spring have not tested it yet but will report back as soon as I do thanks for all the feeback guys

