Here's what appears to be available in heavier factory ammo, with the exception of the 55gr Barnes.

Winchester

64gr PSP
60gr PDX (defensive ammo)
77gr PDX
64gr Razor Back
64gr bonded

Federal

62gr Fusion
60gr partition
55gr Barnes triple shock

Remington

All Match bullets, take your chances

62gr HP
69gr BTHP
77gr BTHP

Barnes

55gr TSX


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