Black Rain Ordnance Spec15 300 Blackout 10.5" Barrel 15" Hybrid Handguard OCL Polonium 30 Suppressor Complete Upper

697067883310-Black Rain Ordnance Spec15 300 Blackout 10.5" Barrel 15" Hybrid Handguard NB Bolt Complete Upper

664533654194-Otter Creek Labs Polonium .30 Black Suppressor

The Black Rain Ordnance Spec15 .300 Blackout Upper and Polonium-30 Suppressor bundle delivers a rugged, suppressor-ready setup built for shooters who want reliable performance without overcomplication. Whether you're assembling a compact blackout platform for the range, the field, or night-vision work, this pairing gives you a hard-running upper and a do-it-all suppressor engineered for real-world use.

The Black Rain Spec15 upper features a 10.5" .300 BLK barrel paired with a long 15" hybrid free-float handguard, giving you extended rail space for lights, lasers, grips, and accessories while keeping the platform maneuverable. Its complete nickel-boron bolt carrier group provides smooth, dependable cycling, and Black Rain’s precision machining ensures the consistent performance their uppers are known for. It’s a ready-to-drop-on solution for shooters who want a tough, accurate .300 BLK upper ideal for suppressed operation.

Matched with the Polonium-30, you get a suppressor built with honesty and durability at its core. Designed for shooters who want one suppressor to run across multiple rifles, it offers solid, reliable suppression on .300 BLK along with a wide range of calibers—from short-barreled 5.56 to .308 and all the way up to heavy magnum .30-cal rifles. While it sacrifices a bit of peak 5.56 performance compared to its caliber-specific siblings, the Polonium-30 delivers the versatility budget-minded shooters need without compromising strength or longevity.

External weight-reduction cuts keep it lighter while increasing heat-shedding surface area, helping it cool faster during extended strings of fire. Integrated internal and external flash-hiding features help reduce visible signature, especially for shooters running night vision. With standard 1.375×24 rear threads, it’s compatible with a wide range of mounts, letting you tailor it to your fleet of rifles.

Together, this bundle forms a dependable, flexible .300 Blackout system built for practical shooters who value straightforward durability and multi-caliber utility.

Specifications

• Black Rain Ordnance Spec15 .300 BLK Complete Upper

• 10.5" .300 Blackout barrel

• 15" hybrid free-float handguard for maximum accessory space

• Complete nickel-boron bolt carrier group

• Ideal for suppressed, compact blackout builds

• Polonium-30 Suppressor

• Multi-caliber capability: .300 BLK, .308, short-barrel 5.56, 300 RUM, 300 Norma Magnum, and more

• External weight-reduction cuts increase cooling surface area

• Built-in internal & external flash hider for exceptional signature reduction

• Universal 1.375×24 rear threads for wide mount compatibility

• Designed for durable, budget-friendly performance across platforms

Build a versatile, suppressor-ready .300 Blackout platform with honest performance and hard-use reliability—get this Black Rain & Polonium-30 bundle at Battlehawk Armory!