Caliber
5.56 / .223
The AR-15's cartridge — 5.56 NATO and .223 Remington for defense, range, and varmint.
5.56 / .223 Questions
98Votes
1Answers
Red dot vs. LPVO for an AR-15 home-defense build?
0Votes
1Answers
How often should I really clean my AR-15?
0Votes
2Answers
AR-15 or AK-47 for a first rifle?