Thursday, January 31, 2013

M4 DMR - "Lana"

After playing with a number of field rifles and trying to decide on what DRM to acquire, but never really finding the right one, I finally came to the only logical conclusion: build one from scratch. Introducing my new ground-up (and still work-in-progress) DRM build, "Lana" (Yes, named after this: [YouTube Video] Lana).


Vitals: 
Overall Length: 44-45"
LOP: 14.5-15.5"
FPS: 540 (with .20g)
RPS: [semi-only]
Weight: [Not Measured Yet]


Internal Upgrades:
G&P Reinforced V2 8mm Gearbox [link]
BTC Chimera (V2 GB) Mosfet [link]
Angel Custom Stainless Steel 6.01mm Inner Barrel (590mm / AEG) [link]
Lonex A2 Infinite Torque Motor (Long Type) [link]
SPEED Airsoft M4/M16 AEG Tunable Trigger - (Black) [link]
Systema M150 Spring [link]
Guarder Infinite Torque-Up Gears [link]
Systema Hop Up Bucking [link]
Modify Quantum Piston with Titanium Coated Teeth [link]
Systema Aluminum Piston Head with Bearings [link]
Guarder Double O-Ring Cylinder Head [link]
Systema Tappet Plate [link]
Systema Air Nozzle [link]
Matrix V2 Ball Bering Spring Guide [link]

External Upgrades:
Madbull Noveske MUR Metal Body [link]
Madbull Tactical Charging Handle - Model A [link]
Madbull - Noveske Rifleworks Free Float 12.658inch Handguard Rail [link]
Madbull Daniel Defense 20" Steel Government Profile Outer Barrel [link]
Madbull Noveske Adjustable Gas Block [link]
Surefire Licensed Airsoft QD Mock Suppressor 7.5" [link]
ELEMENT PSG1 grip - M4 [link]
Magpul PTS PRS Stock - For AEG Rifles (Black) [link]
G&P PRS Stock Pipe For Magpul PTS PRS AEG Version [link]
Magpul AFG2 - Angled Fore Grip, Black [link]
Magpul PTS MOE Trigger Guard [link]
UTG Tactical OP Bipod - Combat Profile Adjustable Height [link]
Weaver Offset Rail Adaptor [link]
Ultimate Arms Gear Tactical Micro Compact Green Dot Open Reflex Sight [link]
UTG 30mm SWAT 3-12x44 F.S. IE Scope with AO Mil-Dot, EZTap R/G [link]
UTG Quick Detach Scope Rings (2 Piece, 30mm Diam, 4-Screw Hi Profile) [link]
Guarder Steel Reinforced Gas Tube [link]

Build Updates:

1/23/2013 - First components begin to arrive. Begin work on gearbox, rewiring, and modified buffer tube.
1/25/2013 - Catastrophic failure of upper receiver. Made decision to switch from Magpul receiver, to full Noveske receiver, RIS, gas block, etc.
1/30/2012 - Still in the mockup stage. Waiting for some internal components to arrive before test firing.
2/10/2013 - A few more internal parts arrived, as well as a few external components. Installed the adjustable gas block, gas tube, and MOE trigger guard.
2/11/2013 - Dremeled down charging handle profile to accommodate clearance issues with gearbox and receiver.
2/13/2013 - Installed the Chimera, tuned the trigger, shimmed and corrected AOE. Initial chrono: 535 FPS (0.20g BB). Some new parts ordered and installed, parts list to be updated soon.
2/14/2013 - Updated Parts List
2/18/2013 - R-Hop Materials Ordered.


Picture of Work-In-Progress:

1/23/2013














1/25/2013
















01/30/2013










02/10/2013


















2/13/2013