DealThe Gen3 model offers a black nitride stainless gas tube to better resist high heat and corrosion while maintaining a glossy black finish. All Gen3 PA10 models come with a dimpled barrel for ease of gas block replacement if you choose to do so. We have also included a newly designed click switch 3 position adjustable gas block so you can specifically tune to your load. from Palmetto State Armory (Product 51655130957B) |