NEXT LEVEL ARMAMENT NLX PERFORMANCE KIT 1 FOR AR-15 Next Level Armory's NLX-Performance Kit 1 is a great way to upgrade your your AR-15 rifle. We selected some of our best products and created a bundle, then we discounted the price, just for our customers. If you have an AR-15 with stock mil-spec components, this kit is designed specifically for you! Charge your rifle with confidence with enhanced grip. Enhance your safety with ambidextrous controls with two choices of throw angle. Mitigate muzzle jump with a linear compensator. The NLX- Performance Kit 1 Includes: NLX556 AMBI Charging Handle Ascend Armory 50/90-Degree AMBI Safety Selector Mfg: Next Level Armament