This Del-Ton M4 Carbine Kit includes everything needed to turn your Stripped AR-15 Lower Receiver into a complete, fully functional rifle. This kit features an assembled Del-Ton A3 Flat-Top Upper Receiver with a 16" M4 Contour Barrel, Carbine-Length gas system, F-Marked Front Sight Assembly, 2-Piece CAR-Style Handguards and an A2 Flash Hider. The barrel's 7.62x39mm Chamber, M4 Feed Ramps and 1 in 9" Twist rifling ensure reliable feeding and functioning with a wide variety of both commercial and surplus ammunition. The Bolt Carrier is machined from 8620 Steel for strength, incorporates a properly staked, chrome lined gas key, and houses a Carpenter 158 Steel Bolt that has been High Pressure Tested and Magnetic Particle Inspected to guarantee a consistent, defect-free part.
The kit includes a complete Lower Receiver Parts kit that is ready for installation into the host stripped lower. A M4-Style Collapsible Buttstock Assembly rounds out the package with a Mil-Spec diameter buffer tube, carbine buffer and buffer spring. Stripped lower receiver is NOT included. Upper receiver is fully assembled at the factory, lower parts kit and stock assembly will need to be installed by the end-user.
Barrel: • Chrome Moly Vanadium • M4 Feed Ramps • 16" Length • 1x9 Twist • A2 Flash Hider • Manganese Phosphated • Phosphated under Front Sight Base • Taper Pins in F-marked Front Sight Base • Threaded Muzzle • M4 Profile Barrel
Handguards: • Carbine Length • Aluminum Delta Ring • Single Heat Shield
Upper Receiver: • Forged 7075 T6 Aluminum • A3 Flat Top with M4 Feed Ramps • Hard Coat Anodized • Mil-Spec • Ejection Port Cover and Round Forward Assist • Right Hand Ejection • Bore's surface is coated with dry film lube, over the anodized surface