Product Description Keymod Attachment Offering Improved Dovetail Technology Arcalocak 12'''' Keymod Attachment - Arcalock 12'''' Keymod To Arca Swiss Rail Adapter at Brownells.com Browse all Brownells.com deals $100.00 Out of Stock Buy Now at Brownells.com Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Handguard & Rail Accessories Brand Area 419 MPN 419-ALK-KEYM12 Area 419