Valkyrie Precision Custom Armory
Certifying Tuner: Marcus Vance (Lead Master Armorer) • Unit 14, Tech Park Industrial Estate, Stuttgart, Germany | +49 711 890 4420 | [email protected]
Extended-Bore Long-Range Precision DMR (3.99J)
Platform: SR25 LONG AEG • File ID:
Extended_Bore_75m_Precision_DMR.awbz1. Certificate of Authenticity
✔ ED25519 CRYPTOGRAPHIC WORKSHOP SEAL VERIFIED
REPORT ID: AWB-20261102-24C372
Workshop: Valkyrie Precision Custom Armory
Certifying Tuner: Marcus Vance (Lead Master Armorer)
Issued Date: 2026-11-02 07:11:12
Primary Repository ID:
Extended_Bore_75m_Precision_DMR.awbzEd25519 Key Fingerprint:
9594-0FFC-0C5E-7B92-0AFADigital Signature:
7479e4de6fb54e26aa5fa6603ca451d1bad8bf7e385b...2. Component Map
| Subsystem Slot | Installed Component | Custom Works & Modifications |
|---|---|---|
| Main Spring | [Stainless Match] Heavy-Duty Series SP140 Extended V2.5 DMR Long Non-Linear Spring | Standard Factory / None |
| Spring Guide | CNC 7075 Billet CNC Stainless Steel Bearing Spring Guide V2.5 | Installed 5.0mm Ring Spacer on Spring Guide for spring pre-compression |
| Piston (Rack & Body) | CNC Match Full Steel 19-Teeth Extended Piston for Extended V2.5 DMR | Tuner 2nd/3rd tooth shaving, half-width rack milling |
| Piston Head & O-Ring | CNC Rotary CNC Aluminum Double O-Ring Ball Bearing AEG Piston Head | Ring spacer to correct AOE (length: 3.0mm, weight: 1.5g) installed between piston head and piston body |
| Cylinder (Type/Port) | [Stainless Match] Extended V2.5 DMR V2.5 Extended Full Non-Ported Cylinder (85.0mm) | Standard Factory / None |
| Cylinder Head & Pad | Hybrid Precision Aluminum Cylinder Head for Marui Ver.2 Full-Length Replica V2/Carbine V2/Compact SMG/G3 AEG Replica | Tuner Sorbo pad (3.2mm) |
| Air Nozzle | CNC Rotary CNC Double O-Ring Air Seal Nozzle V2.5 Extended V2.5 DMR (24.20mm) | Standard Factory / None |
| Tappet Plate | Reinforced Spec V2 Reinforced Tappet Plate | Standard Factory / None |
| Tappet Spring | CNC 7075 Billet Enhanced High-Tension Tappet Return Spring | Standard Factory / None |
| Gearset (Bevel, Spur & Sector) | [Stainless Match] 32:1 EG Super Torque-Up Gearset (Half-Teeth) | Standard Factory / None |
| Motor Pinion Gear | Brushless CNC D-Type CNC Hardened Chromoly Pinion Gear | Standard Factory / None |
| Bushings / Bearings | CNC Match 9mm Low Profile Ball Bearings (Set of 6) | Standard Factory / None |
| Motor (TPA & Magnet) | Alloy Series M180S Satan AEG Motor (Long) | Standard Factory / None |
| Battery Pack (Voltage & C-Rating) | [Lithium-Ion Pack] 11.1V 3000mAh 16C Optical ETU Lithium-Ion Nunchuck | Standard Factory / None |
| Inline MOSFET | None (Integrated in ETU) | Standard Factory / None |
| Wiring & Switch Assembly | [Programmable Inline ETU] Leviathan V2 Optical Pro Drop-In ETU | Standard Factory / None |
| Wiring & Battery Connector | [Hybrid Precision] High-Current T-Plug T-Plug Connector Set | Standard Factory / None |
| Inner Barrel | Madbull STEEL BULL 6.03mm Tight Bore Inner Barrel (509mm) | Standard Factory / None |
| Hop-Up Chamber | CNC Rotary Modular Tactical HPA Hop Up Chamber M4W (CNC Aluminum) | Standard Factory / None |
| Hop-Up Bucking | Alloy Series Durable Hop Up Rubber For AEG | Standard Factory / None |
| Hop-Up Tensioner / Nub | T-N.T. APS-X Hop-Up NUB Series | Standard Factory / None |
| 6mm BB Projectile | Match Grade Ultimate Heavy 0.45g Extreme Bolt-Action 6mm BB (1000rds) | Standard Factory / None |
| Gearbox Shell (Chassis) | CNC 7075 Billet CNC 7075-T6 V2.5 Long Extended Gearbox Shell (Extended V2.5 DMR) | Standard Factory / None |
| Trigger | [Heavy-Duty Series] Compact SMG Classic Steel Trigger (V2) | Standard Factory / None |
| Anti-Reversal Latch (ARL) | CNC 7075 Billet CNC Heat-Treated Steel Anti-Reversal Latch | Standard Factory / None |
| Cutoff Lever | CNC 7075 Billet Reinforced Steel V2.5 Cutoff Lever | Standard Factory / None |
| Selector Plate | CNC 7075 Billet Low-Friction POM V2.5 Selector Plate | Standard Factory / None |
| Trigger Safety Block (V2) | CNC 7075 Billet Precision POM Trigger Safety Block (V2) | Standard Factory / None |
| Gearbox Small Springs Set | CNC 7075 Billet Hardened Music-Wire Gearbox Springs Kit | Standard Factory / None |
3. Primary KPI & Chronograph Benchmark
Measured Velocity (@0.40g)
503 FPS
Simulated Baseline: 502 FPS
Muzzle Kinetic Energy
4.70 J
Calibrated w/ 0.40g BB
Rate of Fire (Cyclic)
11.9 RPS
Simulated: 11.7 RPS (714 RPM)
Trigger Lock Time
42.4 ms
Peak Inrush: 55.3 A
Effective Range
75 m
6-DOF Exterior Ballistics
Overall Build Rating
7.0 / 10
Executive Composite Score
4. Download Full PDF Report & Signed .AWBZ File
Full Engineering Dossier & Interactive Build Package:
Download the complete multi-page vector PDF report or open the cryptographically signed
Download the complete multi-page vector PDF report or open the cryptographically signed
Extended_Bore_75m_Precision_DMR.awbz package inside Airsoft Workbench Suite (Community Edition — Free).