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Del-Ton AR-15 M4 Rifle Parts Kit - RKT100 - No FFL Required

MPN: RKT100  |  UPC: 848456000003
$417 12

In Stock

As low as $73.22 for 6 months!


The Del-Ton M4 AR-15 parts kit RKT100 includes everything you need to build your own AR-15 except the lower receiver. Included is an M4 6-position collapsible stock, test fired upper receiver and a lower parts kit.

Del-Ton is one of the most respected names in the country in all things AR-15.  If you have a stripped lower receiver, and a mag, and want to assemble your own rifle then this is absolutely the way to go.   Includes fully assembled, head spaced and test fired upper receiver, lower parts kit and M4 6 position collapsible butt stock. This kit features a brand new complete M4 16.5" bbl assembly with all parts ready to drop in and fire.  This is the same complete Barrel Assembly you will find elsewhere on our site plus all components needed to build a complete rifle ( less Stripped Lower Receiver ).

Includes: Pistol Grip, Trigger, Hammer, Disconnector, Selector, Bolt Catch Spring, Detent Spring, Bolt Catch Button, Take Down Detent Bolt Catch, Magazine Catch Spring, Bolt Catch Roll Pin, Magazine Catch Button, Magazine Catch, Front Pivot Pin, Hammer Spring Trigger Spring, Pistol Grip Screw, Pistol Grip Lock Washer, Selector Spring, Detent Selector, Hammer Pin, Trigger Pin, Take Down Pin Buffer Retainer Pin, Buffer Retainer Spring, Disconnector Spring Rifle kit does not include stripped lower receiver or magazines.


  • Barrel:
  • Chrome Moly Vanadium 
  • M4 Feed Ramps 
  • 16" Length
  •  1x9 Twist 
  • A2 Flash Hider 
  • Manganese Phosphated 
  • Phosphated under Front Sight Base 
  • Taper Pins in A2 Front Sight Base 
  • Threaded Muzzle 
  • M4 Profile Barrel 
  • Chamber:
  • 5.56 X 45 mm 
  • Bolt And Carrier:
  • Phosphated 8620 Steel Carrier Assembly 
  • Carpenter 158 Bolt HPT/MPI Tested 
  • Heat Treated and Plated 
  • Mil-Spec 
  • Chrome Lined 
  • Carrier Interior Carrier Key - Chrome Lined, attached with Grade 8 Screws 
  • Properly Staked & Sealed Gas Key 
  • 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 
  • Buttstock: 
  • M4 6 Position 
  • Reinforced Fiber 
  • Mil-Spec Sized Tube
Country of Manufacture United States
License Requirement None
Manufacturer Del-Ton
Mfg. Part Number RKT100
UPC 848456000003
Caliber/Gauge .223 / 5.56
Action No
Barrel Length N/A
Barrel Twist N/A
Barrel Bore Type N/A
Barrel Finish N/A
Barrel Fluting N/A
Barrel Profile N/A
Mount Type N/A
Beam Color N/A
Firearm Fit AR-15
Threaded Barrel No
Condition New
Free Shipping No

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