RIA 5.0 - Locking Block Pin

The RIA 5.0 - Locking Block Pin is a replacement part for your AR-15 build. It is made from high-quality steel and features a black oxide finish for durability. This pin is a direct replacement for your factory pin and is a great upgrade for your AR-15.

**Features:**

• Made from high-quality steel
• Black oxide finish for durability
• Direct replacement for factory pin

**Proper gunsmith fitting required for accurate fit & safe function.**