Henderson GEN 4 ULTIMAX Powered Case Trimmer Collet

The Gen 4 ULTIMAX case trimmer includes one Henderson designed collet and is available in the following calibers:

Brown & Sharpe-style Collets is one of the secrets to precise and repeatable case trimming.

The internal Collet steps ensure that the case head is firmly seated in the Collet, even when there is case rim diameter variation.
The tapered design ensures that the Collet securely closes on the case.

COLLET CALIBER FIT LIST
The dimensions for each collet step shown below correspond to common case rim diameters.

(Please send us an email or give us a call for calibers not listed)

Collet #01 – (.379, .473 & .532 Dia)
222 Rem. Mag, 223 Rem, 225 Win, 22-250, 220 Swift, 243 Win, 6mm Dasher, 6×47 Lapua, 6XC, 244 Rem, 6mm B.R. Rem., 257, 25-06, 264 Win. Mag, 260 Rem, 6.5×47 Lapua, 6.5 Creed, 6mm Creed, 6mm SLR, 6.5×57 Mauser, 6.5mm Win, 6.5 Jap Mauser, 6.5×55 Swede, 6.5×55 SKAN, 270 Win, 270 Savage, 270 Gibbs, 270 Wby, 270 Ackley, 7×57 Mauser, 7mm Wby, 7mm-08, 280 Rem, 284 Win, 7mm Rem. Mag, 7mm B.R. Rem, 30-06, 308 Win, 300 win Mag, 300 Sav, 303 British, 35 Whelen, 350 Legend

Collet #02 –(.350, .418 & .506 Dia)
30-30, 7.5×55 Swiss,

Collet #03 – (.356, .440 & .545 Dia)

6mm PPC, 6mm Krag, 6.5 Grendel, 6 ARC, 22ARC, 6.8SPC, .224 Valkyrie, 300 Rem. Ultra Mag, 300 WSM, 300 SAUM, 6.5 PRC, 300 PRC, 7mm PRC. 26 Nosler, 28 Nosler

Collet #04 – (.605 Dia)
300 Norma Mag, 338 Norma, 338 Lapua, 33XC, 37 XC, 45-70

Collet #05 – (.640 Dia)

Cheytac, Hellfire,