Product Description The Black Rain Ordnance SPEC15 complete upper is built to deliver hard-hitting performance in .458 SOCOM with a 16-inch 4150 chromoly barrel and a robust SPEC15 upper receiver featuring an expanded ejection port. Designed for modern sporting rifle builds, it comes equipped with a 15-inch BRO M-LOK hybrid handguard for accessory mounting, an engraved ".458 SOCOM" dust cover, and a charging handle with an oversized tac-latch for confident manipulation. A BRO .458 muzzle brake helps manage recoil, and the included metal magazine is optimized for reliable feeding of .458 SOCOM rounds. Product Highlights 16-inch .458 SOCOM 4150 chromoly barrel for powerful big-bore performance SPEC15 upper receiver with expanded ejection port to support .458 SOCOM function 15-inch BRO M-LOK hybrid handguard for versatile accessory and grip mounting Includes SPEC15 bolt carrier group with dedicated .458 bolt and an oversized tac-latch charging handle BRO .458 muzzle brake plus a metal magazine optimized for .458 SOCOM rounds Specs Brand: Black Rain Ordnance Type: Complete upper receiver assembly Caliber: .458 SOCOM Barrel Length: 16 in Barrel Material: 4150 chromoly Upper Receiver: BRO SPEC15 upper receiver with expanded ejection port Handguard: 15 in BRO M-LOK hybrid handguard Dust Cover: Engraved ".458 SOCOM" Charging Handle: Oversized tac-latch Bolt Carrier Group: BRO SPEC15 bolt carrier group with .458 bolt Muzzle Device: BRO .458 muzzle brake Included Magazine: One metal magazine optimized for .458 SOCOM rounds Color: Black UPC: 707129994059 Manufacturer Part Number: BRO-SPEC15-CU-458S Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.