MDT TAC 21 Chassis Stock by Chris Parkin
(Below) No need for a gunsmith, just bolt it together in 30 minutes but don’t lose any parts.
(Below top) The rails upon which the action rests leave their tell tale mark.
(Below bottom) TAC 21 sits nicely in a rear bag but the Magpul rear end allows no vertical aim adjustability.
(Left) Steel helicoil inserts reinforce the forend attachment bolts, a nice touch...
MDT TAC 21 MDT or Modular Driven Technologies are a Canadian
firm producing a stock that fulfils all these criteria. It is imported and distributed by Low Mill Ranges in Cumbria and I brought one home from the Newark Shooting Show to have a play with. The unit comes boxed up in its component parts and is available for both long and short-action Remington 700 or clones and can be specified in a left handed option. Although Low Mill offered me a complete gun already built up in 223 Rem., I had a new Rem700 SPS Tactical from Edgar Brothers at home in 308 calibre, waiting to have its legs stretched. I was also interested to see how much fitting and tweaking is required to assemble the chassis system and whether the home rifle builder can realistically complete the assembly or if it is best to pay Low Mill to do this for you.
Mechano
Detailed instructions come with the TAC 21 kit and the tools required are little more than a few Allen keys, a hammer and a pin-punch. Although it can be done on a table, a bench vice is always a useful third hand and as the first stage involved removing the trigger from your donor gun - a solid hold as you tap out the trigger retaining pins can prevent anything slipping. Be careful when you remove any type of Remington 700 trigger as you can easily drop a couple of small springs, sears or the bolt stop lever but otherwise, no worries, it is all carefully explained.
Flip the gun, remove any scope mounts and bases and, whilst it is all disassembled, it never hurts to give the
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