Product Description Picatinny Accessory Rail For EFR/IMUNS Mounts Side Accessory Rail For Efr & Imuns at Brownells.com Browse all Brownells.com deals $50.99 Out of Stock Buy Now at Brownells.com Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Rifle Bases Brand Badger Ordnance MPN 306-59-3 Badger Ordnance