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Many of the files on this page are in Acrobat .pdf format for easy viewing and printing. Download Acrobat Reader free of charge by clicking the above link. x PRODUCTS x 000 DTAC ammo & components 000 . 6XC MAIN . . INFORMATION . CUSTOM DIES . BRASS . LOADING DATA . REAMERS / GAUGES . ARTICLES . DOWNLOADS . PRICING . 000 BOOKS 000 SpeedLock 000 Reloading Tools 000 6mmXC 000 CS Springs [all] 000 AR15 CWS 000 AR15 CS Springs [trigger, buffer, mags] 000 Target Shooting Gear . xxCompetition Grips xx Rapid Fire Timer xx Shooting Hat xx 4-Way Buttplate xx Sight-Line Tube x.000 Tubb Tactical Gear Tactical Vest 000 TUBB 2000 [rifle and accessories] 000 Extractors 000 Model 70 Cocking Piece Kit 000 Remington 700 Recoil Lugs 000 Competition Slings 000 Send E-Mail 000 Download Product Information and Instructions 000 ORDER [shopping cart] 000 ORDER CATALOG 000 xxx . TIPS from David .     CONTACT orders/information Call 806-323-9488 Fax 806-323-9483 DTAC llp. 800 N. Second St. Canadian TX 79014 e-mail: CLICK HERE	x "Click on any link below to view that specific product page. You'll also be able to download information, instructions, and specifications." x 6XC Cartridge MAIN PAGE 0 xx 00 xxx Prices and specifications are subject to change without notice. vv 0 "I got involved in cartridge design to exploit the full potential of the TUBB 2000. I began experimenting with shorter rounds and am pleased to have developed one that has the ballistic performance of .243 Winchester with less recoil and much better barrel life." Read comments from others by clicking HERE. Read about the development of the 6XC by clicking HERE. Read an article about 6XC by clicking HERE. x   6mmX -- 6XC cc The ultimate competitive round? I think so. I have now won three Camp Perry across the course championships and one Long Range Championship using the 6XC. Norm Houle won the 2004 across the course title shooting 6XC in his TUBB 2000. This round continues to impress me and I'll be with it across the course for the foreseeable future. In addition to eliminating the problems associated with magazine length round bullet seating (keeping the bullet's full caliber diameter out of the "doughnut"), the 6XC is the best feeding round I've used. Any shorter doesn't work as well and any longer doesn't either. The XC is the ideal across-the-course round. Cartridge Origin [by David Tubb] The "original" 6mmX (20-degree shoulder) resulted from chambering a barrel using a .243 Winchester reamer held (stopped) 0.132 inches short of its intended depth. This was done to allow use of a .22-.250 case. The 6mmX sizing die was made by shortening a .243 Winchester die (seating die also) 0.145 inches (additional length was based on varying shellholder heights; this ensured the case could be run fully into the die and attain adequate case shoulder contact). We then took a .22-.250 case and ran it fully into this sizing die and then loaded the rounds and fire-formed the case in the 6mmX chamber. The .22-.250 case neck could initially be expanded using the sizing die provided a tapered (.17 cal. to 6mm [.243 cal.]) Redding expander was installed or that the expander had been modified with a taper. (Read an article about 6mmX) The 6XC (30-degree case shoulder) cartridge came about as a natural progression from shooting the original 6mmX. The 6mmXC has some features which I feel are more desirable compared to the 6mmX. - 1.) The cartridge case body length is 0.023 inches shorter than the 6mmX. This means that 6XC chamber reamer now cuts the base of the case closer to the original .22-.250 base diameter. 2.) Shortening the case body also allows for less longitudinal (length) stretching during fire-forming. This will result in the 6XC having a greater case life (more firings). 3.) Its 30-degree case shoulder allows less case growth (less trimming required). I have found that velocities attainable with the 6mmXC are equivalent to those attainable using .243 Winchester. Barrel life is much better than .243 Winchester due to the fact that the XC has about 7 grains less powder capacity. SSS inc. has match grade 6XC brass available, engineered to meet the demands of High Power shooters. Click HERE. Reamers + Gauges Hugh Henriksen makes the 6XC reamers for us and we usually have his reamers in stock. The reamer I am now using is compatible with either the 107 or 115 bullet and features a 3/4 degree lead. We also stock "GO" gauges. ORDER Phone 806-323-9488, FAX 806-323-9483, or order ON LINE x   Make sure you have installed Adobe Acrobat Reader so you can view and print these documents! VIEW INSTRUCTIONS ON LINE DOWNLOAD INSTRUCTIONS XX   00Prices and specifications are subject to change without notice.
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