The NcSTAR 5.56/.223 3/4" Riser with Locking Quick Release Mount is perfect for anyone trying to get a more comfortable setup for their rifle's accessories. It features a new updated shape opposed to the first generation model and a next generation locking quick release mount with a shorter lever. Order yours now, or come pick one up at our store today! Features: - GEN2 5.56/.223 3/4" Riser, raises your Picatinny rail platform by 3/4". Helps with getting low profile optic mounts to a more comfortable cheek rest height and shooting position. - GEN2 model has a new updated shape, next generation Locking Quick Release mount with shorter lever, and is lighter than the previous version. - Mounts via a Locking Quick Release mount onto your Picatinny rail of your 5.56/.223 receiver. You can quickly attach and remove your optic from your receiver and maintain your zero. - There is a see through channel below the rail to keep the mount lighter and for some rifle types, it may allow you to use some factory iron sights. - Length: 5.3" - Weight: 4.2 oz - Compatible With Bolt-Action Rifles