Took me ages but finally it's complete!
Classic M4A1 RIS Carbine (M920) GBB with many RS Colt and Knight's Parts:
Real Colt M4 Upper Receiver with C and Keyhole Forgings:
Aimpoint CompM 3 MOA Sight from y1997!
Upper is even M4 branded if you look closely under the Knight's CompM Mount:
Colt Side Sling Swivel:
RS Knight's R.I.S. (NO RAS!) You can see it clamps on the Handguard Cap:
Specs:
Bomber M4A1 Lower Receiver (Aluminum 6063) (CNC Process)
Inokatsu Parts: M4 14.5inch Steel Outer Barrel Set for WA M4 GBB (2009 Version) & M4 Super Bolt (Steel) 2010 Version
G&P WA Parts: (WP11), M4 Steel Sear (WP33), M4 Bearing Hammer Pin Set (WP34), M4 Hammer Lock (WP57), M4 CNC Trigger Guard, Steel Bolt Stop (WP51), Steel Magazine Catch, Steel Selector (WP69), M4 Steel Trigger (WP84) & Buttstock Speed Buffer (WP95)
Iron Airsoft 1003k WA Stain Hop Up Round
RA-TECH Parts: Hop Up Rubber for WA M4 GBB Series & Recoil Spring (Summer Type)
Prime M4 Metal Hop Up Chamber Set (WA version)
PDI 6.01mm Precision Inner Barrel for WA M4 GBB Series (368mm)
Real Parts: AR15/M16A2 Flash Hider with Peel Off Washer, Delta Ring Set & Barrel Nut
Colt Parts: AR15/M4 Flattop Upper Receiver with M4 Feed Ramps, AR15/M16 Charging Handle Assembly, AR15/M16A2 Pistol Grip, Gas Tube Pin, Gas Tube - Carbine Length, Military Fiberlite Stock with late 4 Position Stock Pipe, H Buffer & Sling Swivel
Knights Armament Parts: 300 Meter Flip-Up Rear Sight (KAC P/N: 97082, Rail Interface System (RIS) (KAC P/N: 94297) & Vertical Foregrip (KAC P/N: 97098)
Flashlight: SureFire Model M952XM07/FM63KIT Tactical Weapon Light
Optic: Aimpoint Comp M 3MOA Sight (1997) with KillFlash A.R.D. & Knights 30 mm Reflex Mount For Aimpoint Comp Straight Up Mounting (KAC P/N: 98073-1)
Optional: Colt dark gray Vintage 1994-1996 (A-1 in circle marked) carryhandle, Colt M4A1 Double Heatshield Handguard & Surefire Model M500LT-BK-WH LED Weapon Light 700 Lumens (Tac Light Assy, Colt CAR15, CAR16, White LED, KX9T)
Pro Win GI 30 Style 51 Rounds Magazine For WA-Compatible GBB M4 Series (Gen 2)
Here the same build but with Aimpoint Comp M2 4MOA Sight from y2000.
cheers
orb