Would it be possible to create a firearm capable of firing 2 different calibre bullets from the same barrel? Example 5.56 and a 7.62, could the smaller cartridge be cased similar to
Primary Arms Gen III 1-6x 24mm Rifle Scope 30mm Tube 1/2 MOA
How fast does a 50 caliber round go? - Quora
PROTAC targeted protein degraders: the past is prologue | Nature Reviews Drug Discovery
Does running a steel brush through a gun barrel change the ballistic markings on bullets fired by the gun? - Quora
Black Powder Rifles, Pistols and Supplies | Sportsman's Guide
Yah I'm going to need about 1000 of these plz : r/ammo
Lead-Free Hunting Bullets - Guns and Ammo
PROTAC targeted protein degraders: the past is prologue | Nature Reviews Drug Discovery
What is the difference between .223 and .223 Wylde? - Quora
Sabot accuracy / practicality - The Firing Line Forums