Comstock Armory RPA HUB Recessed Plan-B Suppressor Adapter, Titanium, PVD Recessed profile titanium suppressor adapter compatible with Comstock, Rearden, and other common Plan-B muzzle devices. The adapter weighs 1.2 ounces. Compared to the standard LPA, the RPA shortens the overall length of the suppressor system and makes a tighter handguard to suppressor gap. Product Specifications Manufacturer: Comstock Armory Model / Manufacturer SKU: RPA-B-TI UPC: 850069580292 Product type: RPA HUB Suppressor Adapter Material: Grade 5 titanium Finish: PVD Weight: 1.2 oz Suppressor interface: 1.375-24 HUB/Bravo Mounting system: Plan-B pattern; complete-system fitment required Added length: 0.18 inches The RPA places the muzzle device 0.40 inch deeper than the standard LPA. Confirm sufficient blast-chamber clearance for the exact muzzle device. Shop the Comstock Armory RPA-B-TI at BattleHawk Armory for your compatible setup.