Del-Ton M4 Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Barrel Upper Assembly, Lower Parts Kit, M4 Collapsible Buttstock
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 and magazines are 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.
Upper Assembly Technical Information:
- Upper Receiver: A3 Flat-Top
- Barrel Length: 16"
- Barrel Contour: M4
- Barrel Material: 4140 Chrome Moly Vanadium Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: Yes
- Barrel Finish: Manganese Phosphate (Parkerized)
- Twist Rate: 1 in 7"
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Muzzle Device: A2 Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: 2-Piece Polymer, CAR-Style w/Heatshield
- Sights: F-Marked Fixed Front, No Rear
Lower Parts Kit Includes:
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Roll Pin
- Bolt Catch Spring
- Buffer Retainer
- Buffer Retainer Spring
- Disconnector Spring
- Hammer Pin
- Hammer Spring
- Magazine Catch
- Magazine Catch Button
- Magazine Catch Spring
- A2 Pistol Grip
- Pistol Grip Lock Washer
- Pistol Grip Screw
- Pivot Pin
- Pivot Pin Detent
- Pivot Pin Detent Spring
- Safety Selector
- Safety Selector Detent
- Safety Selector Detent Spring
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin Detent Spring
- Trigger Guard
- Trigger Guard Roll Pin
- Trigger Pin
- Trigger Spring
Buttstock Assembly Technical Information:
- Stock: M4-Style Collapsible, Polymer
- Receiver Extension: Mil-Spec Diameter
- Buffer: Carbine
- Buffer Spring: Carbine
- Receiver Extension Lock Ring (Castle Nut) Included
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