Subject: Remington 700 ML 209 Conversion
I got to the range yesterday (finally) to do some testing. As expected I had to do just a bit of tuning on the breech plug to allow the primer to fit properly with the provided drill bit. The time at the range sort of got away from me so did not get to test every powder option that I wanted too, however my plan was to end up with Blackhorn 209, so that is what I ended up using for most of the testing.
Powders Initially Desired to be Tested
Pyrodex Select Powder – did not get a chance to test.
Pyrodex Pellets – did shoot one three round group with this powder source
Triple Se7en Magnum Pellets – did shoot one three round group with this powder source
Blackhorn 209 – Shot 15 loads with this powder
Barnes - 245 grain - .451 Spit-Fire MZ™ - 1763 fps
T/C - 250 grain - .451 Polymer Tip - 1712 fps
Harvester - 260 grain - .451 Polymer Tip - 1705 fps
I ended up with the Blackhorn 209 powder (100 grains by volume), the Harvester 260 PT Shockwave bullet, and CCI Shotgun Primers giving just under 1.5” groups @ 100 yards. I think I can actually improve on that. I shot 21 rounds with the new 209 Conversion setup and did not experience one misfire of a 209 primer during this testing. Plans are to do some additional testing to build a proper scale as my Bushnell Scope has a BDC reticle. I would also like to revisit the use of Pyrodex & Triple Se7en Magnum pellets as that is a very convenient method to load and/or reload for a second shot versus the Blackhorn 209 loose powder. I did clean between (3) shot groups and was a bit surprised at the amount of “black” residue from the Blackhorn. It did not seem to be any cleaner than the other powder sources. Maybe I was expecting too much from the advertising.
The only downside with this new setup is the removal of the fired 209 primers and reloading of a new one seems to take a bit more time than the old #11 percussion caps. However, the greatly improved ignition system and lack of any powder blowback in one’s face is well worth that. Besides, I have not had to use a follow-up shot in all my deer hunting for the past 50 years and do not plan on starting now.
From my experience and initial testing, you have a very well designed product and have given my Remington 700 ML new life.