If you just gotta have it, that grip will cost you some form-filling, a couple months(?) and five bucks. But I wouldn't go that route unless it was FA ($200). For a cool AOW, I'd take a Serbu Shorty, though. TEHO.
I just picked up an old Dean Grennell DBI book from the '70s, and he had a photo of some benchrest shooter with a double-gripped bolt action in there. Those were simpler times, no doubt - Agent Schmuckatelli was still in high school.