Remington 700 Long Action CIP Detachable Bottom metal. Works with 338 CIP Lapua Accuracy International mags. This Bottom metal assembly allows the use if AICS magazines in your Remington 700. CIP Magazine Allows Longer OAL than the standard Lapua Mags. Install is required, and we can provide inletting and install services as well. Installs are free at CDiPrecision, so click Install option and send your rifle in for install. Easy and fast. 3 week turnaround or faster. US Addresses only. Mags Must be purchased Separately.