The Delta Armory ALPHA Series AR15 MK18 ALPHA is the latest generation full-metal AEG engineered for durability, performance, and field-ready versatility. Built with a fully metal exterior — including receiver, handguard, trigger assembly, stock tube, outer barrel, and flash hider — and a CNC-machined aluminium MK18-style quad handguard, the ALPHA series delivers the solid feel and reliability serious players demand.
High-Performance Internals
- SHS piston with full metal teeth and a CNC metal cut-off delayer for long-term durability.
- Reinforced gearbox compatible with M120–M130 class springs (tested to hold a 120–130 spring reliably). Note: spring ratings vary by brand; e.g., SHS M120 may differ from Delta Armory SP140.
- 6.03mm precision inner barrel for improved accuracy and groupings.
- Metal modern A-type trigger and sturdy gears with 7mm metal bearings for reliable operation.
- Standard out-of-the-box performance around ~380 FPS with 0.20 g BBs, tuned for balanced range and reliability.*
Fast Field Serviceability & Power Options
- QRS Gen.2 (Quick-Change Spring) system — swap springs in minutes without disassembling the gearbox. Perfect for adjusting power to local site limits.
- Quick Motor Change (QMC) compatible with the B5-style motor grip for tool-free motor swaps.
- Metal stock tube with ambidextrous metal sling rings — accepts large-capacity batteries easily for extended play.
- Upper 22 mm RIS / Picatinny rail plus flip-up front and rear sights for optics and accessories.
- 14 mm left-hand threaded metal flash hider on a metal outer barrel.
Build Quality & Extras
- Unique serial number on the full-metal body for authenticity and traceability.
- Improved stock design for easier battery installation compared to other budget-class rifles.
- Robust assembly and parts selection yield a reliable, gamer-ready platform ideal for both beginners and experienced players.
What’s in the Box
- Delta Armory ALPHA AR15 / M4 AEG (full metal)
- DMAG 120-rd mid-cap magazine
- CNC MK18-style RIS handguard (installed)
- 9.6V 1100 mAh battery + charger (auto-stop, LED)
- Quick-start guide — includes link to QRS spring-change tutorial video for fast power adjustments.
Why Choose the ALPHA Series?
The ALPHA Series blends full metal construction, CNC aluminium handguard, and pro-grade internals for a reliable, upgradable platform. With rapid field serviceability (QRS & QMC), high-quality internals, and out-of-the-box performance, it’s an ideal primary rifle for skirmishes, MilSim, and regular field use.
*If your country or site imposes lower FPS/Joule limits, the QRS system and included tutorial make it quick to install a compliant spring before play.
