Any experience with Huldra ? (IIRC, they’re made by Adams)
The 14.5 inch 5.56 with Osprey Defense piston kit is an amazing tool. I may pull it out and clean it now just for the fun of it ... I have over 1000 rounds through it without cleaning it. No glitches yet, since I tuned the recoil spring. The cost of ammo has put a severe restriction on my shooting. I am a member of a nice rod and gun club (Unaka Rod & Gun) but have built a small range in my garage because my shooting is now down to 9 x 18 and .22lr, and I'm getting low on .22lr!