G2fspro

Thank you sir, I appreciate it. I’ll report back.

This is my first time using the Superlative block. I have it adjusted to fully open right now but not into bleed off. The spring came with the KAW Valley buffer tube set. I used it based on the great reviews it had with Aero 308s so I took what they said with a grain of salt.

I was very generous with lube as it was a new build. I used Amsoil gun lube. I was using M80 ball ammo. The gas tube was almost to the edge of the cam pin cutout so I pulled the handguard off and noticed the gas block was seated flush with the collar. I spaced it out using a thing credit card since Superlative recommended an 0.025 space. I’ll check it with a feeler gauge to be certain. I’m sure this did not help with the cycling. I also found that sometimes Wilson barrels need gas ports enlarged so I checked and I could fit a 1/16 bit in the port hole but not a 5/64. I was told by a member the gas port should be 0.86. I called Aero today before I took it apart and they advised my spring May be too heavy and my buffer may be too heavy as well. Thoughts?

I just built my AR-308 and went to fire it yesterday and it would either not cycle or I’d have a FTE. I adjusted the gas block several times and had no luck. When standing in front of the rifle, I turned it clockwise all of the way and then 18 clicks (4.5 rotations) counter clockwise. I looked at it when I got home and I did not see any visible issues on the feed ramps or bolt. Here are a few things I did notice: When I pushed the bolt in to seat it, it required a bit more force than an AR15. Not much but just noticeably more. It will cycle fine manually and the bolt will lock back when you manually cycle the last round from the mag. After manually cycling, I looked at the cartridge and noticed that they were being scratched during the manual cycling. I had the barrel and bolt checked for headspace by a a gunsmith prior to assembly and had them mount the gas block since I know Superlative can be tricky. I also removed one of the o-rings on the extractor as it’s common that causes issues on the Aero bcg. Upper: Aero M5 Lower: Aero M5 BCG: Aero M5 NB Barrel: Wilson Combat Recon 16” Gas Tube: Wilson Combat Intermediate Gas Block: Superlative ADJ bleed off.750 Buffer Tube: KAW Valley AR10 6-pos Buffer Spring: KAW Valley KVP AR-10/XP Stainless Steel Recoil Spring Buffer: KAW Valley 5.6 oz Stainless Steel Tungsten Heavy Buffer Trigger: Rise Armament RA-242 I am shooting a regular muzzle break, non-suppressed. I’ve built 100s of AR15s without fail but I know the AR10 is a different animal. I’m just at a loss on what my issue could be.