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Specna Arms CORE Series M4 AEG (Model: M4 PDW / 2-Tone Black & Tan)

ID: 90433 (AEG-SA-C010-HalfTan)
Specna Arms CORE Series M4 AEG (Model: M4 PDW / 2-Tone Black & Tan)
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Specna Arms


MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Canada Export CompliantCanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.
Free ShippingNo Coupon Required
Free shipping within lower 48 US states, no coupon code needed!


  • Ultra lightweight fiberglass reinforced polymer receiver
  • Freefloat quad rail handguard
  • Nylon fiber furniture
  • Metal barrel assembly, flash hider, charging handle, and sling swivels
  • ESA quick spring change system allows the spring to be changed without the need to disassemble your gun
  • Rotary type hopup with 6.03mm tight bore barrel
  • 380 fps spring pre-installed from factory, optional 310 fps (M90) spring included to reduce muzzle velocity
Specna Arms meets the expectations of clients by presenting the CORE line of products - an exceptional series of replicas that introduces a new quality to the market. An attractive price in combination with an innovative spring change system as well as high-quality materials make this replica suitable for beginners and seasoned airsoft players alike.
The receiver, stock slide, handguard and a SF stock that holds the battery, as well as the pistol grip, were made from nylon reinforced polymer. Remaining components such as the barrel, flash hider, enlarged charging handle and tactical sling swivels were made of metal (parts made of steel include the screws, pins, shell ejection window and mock bolt carrier). The receiver bears markings and a serial number.
The replicas parts fit very well together and the User will not experience any loose spots between the lower and upper receiver. The use of a light polymer receiver allowed for a reduced weight, which makes it very suitable for dynamic games or long-lasting mil-sims. Whats more, fiberglass reinforcement makes the receiver also more durable than polymer and metal receivers.

The replica features a ESA Quick Spring Change System. Due to that system, it is possible to rapidly and quickly adapt the power of the replica to the conditions expected on the playing field without the necessity to have the access to a workshop or a set of special tools - all that is required is to remove the stock slide in order to gain access to the spring so that it can be removed without having to pull out or disassemble the gearbox.
The advantages of ESA system are hard to overstate. In the light of the current internal regulations inside various groups, the system guarantees the User a varied set of possibilities and plenty of freedom. ESA system allows with a minimal amount of time to change the main spring, thusly customize the muzzle velocity towards the area of the game in such a way so as to guarantee an ideal compromise between the effectiveness of fire and safety for the User himself as well as other participants.

The replica is fully compatible with LiPo and LiFe batteries. Due to a base muzzle velocity of ~380 FPS provided by the main spring installed by default by the manufacturer, the replica is perfect for operating on a medium range. The set also includes an M90 spring, which allows reducing the muzzle velocity to ~310 FPS and as a result to adapt the replica for close-ranged and indoor operations.
The gearbox contains 8 mm slide bearings as well as shimmed steel gears based on them. The system is secured with four anti-reversal latches. A light, made of a polycarbonate polymer piston is equipped with a full steel strip, in order to increase its durability. Also, implemented were a type 0 cylinder and a steel circuit-breaker, as well as a precise rotary Hop-Up chamber. The durability of parts allows for the cooperation with M140 springs.
The precisely-made rotary type Hop-Up chamber perfectly fit with high quality 6,03 precision barrel. The use of precision barrel has a positive effect on the range and accuracy of the replica.

Manufacturer: Specna Arms

FPS Range: 375-390


Length: 560mm - 642mm (Adjustable)
Weight: 2205g
Inner Barrel: TBA
Magazine Capacity: TBA
Muzzle Velocity: 310~380 FPS (Measured with 0.20g BBs)
Thread Direction: 14mm Negative
Gearbox: Ver 2 Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 7.4v / 11.1v Buffer Tube LiPo Battery Recommended (Wired to rear w/ Deans connector. Battery and Charger not included. We recommend using only high quality batteries and smart chargers)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, Manual

About Specna Arms

Specna Arms is a brand manufactured in Hong Kong. Our aim is to deliver high-quality, good-looking and reasonably-priced Airsoft replicas. We are constantly developing both technical and visual aspects of our products to offer our customers the best airsoft experience.

30 Customer Reviews

(Write a review)

by Leo M. on 02/10/2024
"I love this gun (Model: M4A1 Carbine / Black). Specna Arms knows how to make high quality stuff for lower prices. This gun has been through a lot and with the external modifications I have made, it looks like it's been through a war, and it still works as if I just got it. I recommend this not only to all beginners, but even more experienced players.
by Nolan F. on 02/08/2024
"I have had this gun for about 7 months hasn’t broken for me yet, and it comes with a spring that can be taken out to play a competition game it also comes with a poster and a sticker it can use .20 buglers to .28 I think but I would advise .25 BB’s and I love the design all in all great gun(also comes with a mag, and no batteries) 10/10
by Robert W. on 02/02/2024
"Purchased for roughly $150. Works very well out of the box. Specs are not correct on Evike. Came with a metal hand guard and an x-asr. Wired to deans in the buffer tube with a mini tamiya adapter. Comes with one Hi-Cap, dejamming rod, stickers, ads, a terrible manual, and an m90 replacement spring. Works with 11.1 but gets warm after mag dumping. Arrived very very very dirty as well.

Shoots hot out of the box (450-500). Nothing is ambidextrous.

Shoots well though and has a higher rate of fire expected for this price range. Feels solid and well made in hands but all buttons are loose and rattle. Fake bolt release switch bangs with every shot and led me to believe something inside was seriously broken, but it was just a bad cosmetic switch (as the bolt does not lock). Mag release button is junk and dropped multiple mags just plinking targets. Took all m4 mags I had besides an arcturus tactical mid-cap but all mags had issues with falling out. Hi-cap arrived broken. extremely limited batter space in buffer tube with xasr in there. To run an 11.1 small stick you will not be able to collapse the stock fully.

All things considered for $150 this or the arcturus sport are probably your best bet on a budget. Most issues are just inconveniences and at this price point they aren't issues. It shoots well it is feature rich in usable modern features at the cost of a bit of jank. Amazing starter gun or buddy gun.

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