• 【Material】The anodic hard oxidation treatment increases the hardness of the product, is not easy to scratch, and has strong durability.
• 【 Stainless steel bump 】We have made an upgrade on the old version with stainless steel convex points, so that it can be more fully inserted into the slot, providing you with a more stable environment.
• 【Compatibility】Compatible with Holosun 407K 507K Crimson Trace red dot CTS-1550 and ohhunt RD U1