A New Look at .27-Caliber Bullets

Long wedded to .30-cals, riflemen have had recent affairs with 7mms and 6.5s. Now, another fling with the .270 is in the air.
Your guide to hunting, fishing, shooting and all things outdoor from the experts at Whitetail Journal, Predator Xtreme, and Bowhunting World magazines.

5.56×45mm NATO - Wikipedia

What would a .27 caliber bullet be in MM? - Quora

Guns Grand View Outdoors

I have a bullet that has S.L. 43 on the bottom of it. Is this equivalent to a .50 cal round? - Quora

The New 27 Nosler and .277 Sig Fury Are Creating a .277 Cartridge Comeback

First Look: .17 Winchester Super Magnum

Best Predator Bullets for Shooting Long-Distance

The 27 Nosler: The New .270 Cartridge King?

Building a Custom Predator Rifle

RUBBER BULLETS (Gimmick Or Legitimate???)

Conversation over: Ancient classic rules .277-caliber rifle family