Tikka T3 Short Action DBM. Replace your plastic and expensive factory DBM setup with CNC Machined DBM and Steel mags(223 mags are Polymer). A great system for a fine rifle, it is a must do upgrade. Works with all short action calibers. 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.