Product Description The GrovTec HUB Direct Thread Suppressor Adapter is a precision-engineered muzzle device designed to mount suppressors directly onto threaded barrels using the Hybrid Universal Base (HUB) system. Machined from one-piece stainless steel and finished in a durable black nitride coating, this adapter delivers a rugged, low-profile, flush-mount solution trusted by hunters, competitive shooters, and American service members. Conforming to the 1.375" x 24 HUB Mount Standard, it integrates seamlessly with the full GrovTec HUB platform. Available in 1/2 x 28 and 5/8 x 24 thread sizes, it offers versatile compatibility across a range of threaded barrels. GrovTec crafts every accessory with pride and a commitment to performance built by fellow Americans. Product Highlights Hybrid Universal Base (HUB) System: Mounts suppressors directly to threaded barrels using the industry-standard 1.375" x 24 HUB Mount interface Low-Profile Flush Mounting: Keeps your build compact and streamlined without sacrificing secure suppressor attachment One-Piece Stainless Steel Construction: Provides exceptional strength, long-term durability, and resistance to wear under sustained use Black Nitride Finish: Delivers corrosion resistance and a sleek, tactical appearance that holds up in demanding conditions Multiple Thread Size Options: Available in 1/2 x 28 and 5/8 x 24 to accommodate a wide range of barrel configurations Specs Brand: GrovTec MPN: GTHM370 UPC: 811071013833 Type: Muzzle Device / Suppressor Adapter HUB Mount Standard: 1.375" x 24 Barrel Thread (This Variant): 1/2 x 28 Material: Stainless Steel Finish: Black Nitride Construction: One-Piece Suppressor Included: No 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.