Black Rain Ordnance SPEC 15 5.56 NATO Semi-Auto AR-15, 16 in Barrel, 1:7 Twist, Free-Float Handguard
This Black Rain Ordnance SPEC 15 stands out with a 16-inch 5.56 NATO barrel marked 1:7, a free-float aluminum handguard with distinctive BLACK RAIN branding and biohazard logos, and thoughtful touches like the "LET IT RAIN!" ejection-port cover engraving. Built on an AR-15 platform with direct impingement, it is USA-made, comes with a 30-round Magpul PMAG, and is in very good overall condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape with minor, superficial scratches and blemishes. The charging handle shows some scuffing.
What’s Included
- Black Rain Ordnance SPEC 15 5.56 NATO rifle
- 1 Magpul PMAG polymer 30-round magazine (5.56x45)
The SPEC 15 is a semi-automatic, direct-impingement AR-15 built by Black Rain Ordnance in the USA. Its 16-inch barrel is marked "5.56 NATO 1:7" and features a threaded muzzle fitted with an A2-pattern birdcage flash hider. The 1:7 twist supports common 5.56 loads and heavier bullets.
The flat-top upper receiver includes a forward assist and case deflector, while the ejection-port cover interior is engraved "LET IT RAIN!" A low-profile gas block keeps the sight plane and handguard lines clean. Selector markings read SAFE/FIRE/FULL, with the third position being cosmetic.
A free-float aluminum handguard is engraved with BLACK RAIN branding and biohazard logos, adding distinctive identity while providing a rigid, lightweight interface. The rifle uses a collapsible stock and an A2-style polymer pistol grip for familiar ergonomics.
Feeding is via a STANAG magazine interface, and capacity is 30+1 with included 30-round Magpul PMAG. The rifle is configured without sights, ready for the owner to set up to preference.




