The Noveske Gen III N4 Lo-Pro Avenger is Noveske's suppressor-optimized 16-inch AR-15, featuring their Lo-Pro adjustable gas block that reduces gas port pressure for suppressed firing. The Cold-hammer-forged barrel, NSR handguard, and adjustable gas system make it a reference-quality suppressor host. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, USA Weight: 6.9 oz Overall length: 32.5" Status: Active Intended use: Range, Military, Suppressor Host