Battle Arms Development RACK AR15 Ambidextrous Charging Handle Black. We are pleased to receive U.S. Utility Patent No. 9964371 9810494 9587896. No Weak Roll Pins Even the best-designed products fail at their weakest point and we have taken the infamous roll pins out of the equation. The RACK was designed with no roll pins. Smooth Sliding Latch Not another pivoting mechanism to wear out the upper receiver notch this patented latch system slides parallel with the receiver notch for slick and quick release and simultaneously minimizes wear. Asymmetric Charging Purpose built with asymmetric use in mind the RACK will handle left or right side pulls with ease. Regardless of your charging handle racking technique the RACK will perform with consistent and positive assurance. Monolithic Modular Handle Machined from one single piece of aluminum the RACK handle was designed with strength in mind. It is also key to the sliding latch and the positive and balanced pull of the charging handle. made in specialized factories The RACK is designed and engineered in the United States. It is precision CNC machined from billet 7075 T6 Aircraft Grade Aluminum in our brand-new manufacturing facility in Henderson Nevada. Coated in a hard anodized black finish. Specifications for Battle Arms Development RACK AR15 Ambidextrous Charging Handle: Manufacturer: Battle Arms Development Color: Black Gun Model: AR-15 Condition: New Package Contents: Battle Arms Development RACK AR15 Ambidextrous Charging Handle What firearm models does the manufacturer say Battle Arms Development RACK AR15 Ambidextrous Charging Handle is compatible with? The manufacturer says that Battle Arms Development RACK AR15 Ambidextrous Charging Handle is compatible with AR-15Battle Arms Development BAD-RACK-15-D: RACK AR15 Ambidextrous Charging Handle Black