To answer your question:
Available Chambers:
20 CAL 1-11 twist
20 Practical
20 Vartarg
204 Ruger
204 Ruger (Short Throat)
22 CAL 1-8, 9, & 12 twists (with 1-7 & 1-14 options)
223 Rem.
223 Wylde
223 AI
22-250
22-250 AI
220 Swift
6mm 1-8 twist (with 1-9 & 1-10 options)
6 BR Norma
6 x 47 Lapua
6 XC
6mm Dasher
243 Win.
243 Win. (Long Throat - 105/107 gr)
243 AI
243 AI (Long Throat - 105/107 gr)
6.5mm 1-8 twist
6.5 x 47 Lapua
6.5 Creedmoor
6.5 X 284 Norma
6.5 x 55 Swed.
6.5 X 55 Swed. (Modified Throat)
260 Rem.
260 AI
7mm 1-9 twist (with 1-9.5 & 1-10 options)
280 Rem.
280 AI (New Caliber as of Jan. 2012)
284 Win.
284 Win. Match
7mm-08
7mm Rem. Mag.
7mm SAUM
7mm WBY
30 CAL 1-10 twist (with 1-11, 12, & 13 options)
308 Win.
30-06
300 WBY
300 Win. Mag.
338 1-10 twist
338 Win. Mag.
340 WBY
That is everything currently available from Criterion.
Jim Briggs
NSS
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