posts devoted to handloading the 6.8mm remington spc (special purpose cartridge).
your author takes delivery on his new chronograph, after scraping pennies for months. january 15, 2011 [loads are chronographed, and data given for same.]
http://wintersoldier2008.typepad.com/summer_patriot_winter_sol/2011/02/it-may-be-a-pain-to-you-but-it-is-a-paean-to-me-in-praise-of-the-68mm-remington-spc-system-.html feb. 8, 2011 -- in which i discuss a "system" or methology of using the scope's "duplex reticule" to aim at different distances, without recourse to ballistics tables or twirling scope turrets for "come ups" and "dial downs," a giant pain in the ass in my opinion.
http://wintersoldier2008.typepad.com/summer_patriot_winter_sol/2011/02/will-my-paean-be-your-paean-or-will-it-be-your-pain-.html feb. 09, 2011 -- is my system for you, and the trouble with trying to replicate my "system" if equipment is not the same, or, even if it is.
http://wintersoldier2008.typepad.com/summer_patriot_winter_sol/2011/06/a-new-load-for-the-remington-68mm-rem-spc-110-grain-hornady-bthpwc-.html -- a new load using the hornady 110 grain bthp/wc, a bit "hot," perhaps.
http://wintersoldier2008.typepad.com/summer_patriot_winter_sol/2011/12/the-68mm-spc-as-a-hunting-rifle-anecdotal-report-of-performance-on-the-american-antelope-.html -- excerpts from the jan. 2012 issue of "guns & ammo," an article by dick metcalf on the 6.8mm rem spc as a hunting round. and, a bonus discussion of the .280 brit, perhaps the finest cartridge never adopted by a military power.
more emphasis on the "whisper" aspect of things, from here on.
a new powder for the "whisper" project: imr "trail boss." november 10, 2010
on the nature of "muzzle flash" with imr "trail boss." december 17, 2010
oh, joy!! the problem of erratic velocities appears solved, pressure is o.k., and your author proclaims "whisper resuscitated!!" [a word he did not know how to spell, until recently.] january 24, 2011
http://wintersoldier2008.typepad.com/summer_patriot_winter_sol/2011/04/the-68mm-spc-whisper-project-further-noise-attenuation-for-an-already-quiet-round-.html [on legally making a silencer for your whisper cartridge, out of common items.]
and, the ar-15 type rifle as modified to the 6.8mm chambering (& some teething problems).