The P415 reliability has been tested time after time and the operating system perfected. Features E2 Extraction Technology, complete ambidextrous fire controls, modular free floating rail platform and numerous internal improvements make it the pinnacle of firearms. For the P415 Edge Pistol, weve cut the bulk. To minimize weight and maximize shooter comfort, POF-USA redesigned the MMR handguard. Not only does this drop the weight down to 6.5 lbs, it provides even better ergonomics to the shooter. This is a Piston Driven Firearm. Oal 32.50"- 36" Hand Ambidextrous Twist 1:8" Action semi-auto Muzzle Triple Port Safety Manual Thumb Series *CA Compliant Sights Optic Ready Weight 7.50 lbs Caliber 5.56x45mm NATO Trigger Single-Stage Capacity 10+1 Weight Range 7 lbs to 7.99 lbs Barrel Length 16.50" Receiver Material 7075-T6 Aluminum Stock Description 6 Position MFT Barrel Description Chrome Moly Metal Finish Group Blued/Black Stock Finish Group Black Barrel Length Range 16" to 16.99"