Description
The Black Rain Spec+ Fusion 300 BLK Zombie is a 16 inch AR-15 rifle in 300 Blackout from the Black Rain Ordnance Spec+ Series, finished in Zombie Green Battleworn. This listing is UPC 680490950353. It ships with a 30 round magazine, weighs about 7 lb 3 oz, and measures 34 in. overall.

Black Rain Spec+ Fusion 300 BLK Zombie Overview
The Spec+ Series is the Black Rain way of putting custom-shop looks on a rifle priced closer to a standard production AR. The rifles share the same forged receivers, 4150V barrels and nitrided bolt carriers, and the finish is where they stand apart. The Fusion is the trim, lightweight member of the family, with a 12 inch handguard and MFT Minimalist furniture.
Receiver and Finish
The upper and lower are Spec15 forged aluminum receivers, the strongest common way to make AR receivers. This rifle wears Zombie Green Battleworn, a finish distressed on purpose so the edges show darker base color, as if the rifle had seen years of hard use. It is a Cerakote style ceramic coating, so it resists solvents and scratches, and any new wear blends into the pattern.

Barrel and Gas System
The 16 inch 4150V Chromoly barrel is chambered in 300 AAC Blackout, a cartridge designed to fire .30 caliber bullets from an AR-15 with the standard bolt and magazines. Supersonic 110 to 125 grain loads hit harder than 5.56 inside 200 yards, and heavy subsonic loads are quiet behind a suppressor. The rifle runs direct impingement with a .750 low profile gas block under the handguard. It is not adjustable, so it cycles supersonic ammunition best, and some subsonic loads may need a suppressor to run reliably.
Bolt Carrier Group
The Spec15 bolt carrier group has a salt bath nitride finish. It is hard, slick and resists corrosion, and carbon wipes off it more easily than off bare phosphate. Keep it lightly oiled and it will run through long range days without fuss.
Handguard, Trigger and Furniture
The 12 in. M-LOK slim handguard gives room for a light, a sling mount and a forward hand position. The trigger is a mil-spec G.I. unit. It is not as crisp as a match trigger, but it is reliable and easy to upgrade later. The MFT EPG16 grip and MFT Minimalist stock keep weight down and give the rifle a slim, quick-handling profile. The Minimalist stock adjusts for length of pull, though it offers less cheek support than a full-size stock.
Adding Optics
The flat top upper takes a red dot, an LPVO or a magnified scope. The rifle comes without sights, so plan on adding an optic or backup iron sights before your first range trip. A red dot with a 1x to 6x LPVO covers most home defense, training and hunting roles.
Choosing Ammunition
Use supersonic 110 to 125 grain loads for practice and for deer-sized game at short range, and heavy 190 to 220 grain subsonic loads for suppressed shooting. Never load 300 Blackout into a 5.56 rifle. The round can chamber and fire in the wrong gun with dangerous results, so mark your 300 Blackout magazines clearly if you own both.
Cleaning and Maintenance
Clean and oil the bolt every few hundred rounds and check the gas key screws now and then. Most failures in a direct impingement rifle trace back to a dry bolt, so lubrication matters more than scrubbing.
State Laws
Some states limit AR-15 rifles or magazines over 10 rounds. Check your state and local laws before you order. Pennsylvania buyers can transfer this rifle at our Collegeville shop or at any FFL.
Specifications
- Manufacturer: Black Rain Ordnance, Spec+ Series
- Model: Spec+ Fusion Zombie Green Battleworn
- UPC: 680490950353
- Caliber: 300 AAC Blackout
- Action: Semi-automatic, direct impingement
- Capacity: 30 rounds
- Receivers: Spec15 forged aluminum
- Barrel: 16 in. 4150V
- Bolt carrier: Spec15, nitrided
- Gas: .750 low profile, non-adjustable
- Handguard: 12 in. M-LOK slim
- Trigger: Mil-spec G.I.
- Muzzle: Castle flash suppressor
- Furniture: MFT EPG16 grip, MFT Minimalist stock
- Overall length: 34 in.
- Weight: 7 lb 3 oz
Before You Buy
Federal law requires this rifle to ship to a licensed FFL dealer for transfer with a background check. Black Rain states that Spec+ rifles currently ship with a castle flash suppressor rather than the A2 flash hider seen in some older product photos. Black Rain also notes that a Magpul MBUS Pro offset front sight may need modification to fit.
Who It Is For
The Black Rain Spec+ Fusion 300 BLK Zombie is a great fit for shooters who want a light, dependable 300 Blackout AR-15 with a finish that stands out at the range.
Buy the Black Rain Spec+ Fusion 300 BLK Zombie at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Black Rain Spec+ Fusion 300 BLK Zombie online and ship it to your local FFL dealer, or browse our full selection of firearms for more rifles. For factory details, visit Black Rain Ordnance.







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