✔️ ACEdc Production ✔️ AMMO Designed ✔️ Mechanical Ring 2nd Generation ✔️ BNIB Factory Sealed ✔️ Made By Stainless Steel / Titanium / Zirconium / Zircuti ✔️ 1.33" L x 0.39" W / Metric: 34 x 10 mm ✔️ 0.39" (17.5mm) Inside Diameter ✔️ 45g / 28g / 39g / 36g Weight ✔️ Limited Edition (Zirconium, Zircuti/Zirconium) ✔️ 12 x Tritum Tubes (1.5x6mm) Slots Ready ✔️ Tritum Tubes Not Included