I want to see a combination gun (drilling), doublebarrel shotgun with winchester or mosin amuniton.
This one comes with an insertable barrel which could be used to convert one of the shotgun barrels to lets say .357.
https://en.wikipedia.org/wiki/Combination_gun#Drillings
Specifications
Rifle Caliber: 6x70R, 6,5x57R, 6,5x65R, 7x57R, 7x65R, .308 Win., .30–06, .30R Blaser, 8x57IRS, 8x75RS, 9,3x74R
Shotgun Caliber: 12/70, 12/76 (only in steel action), 20/76 (steel shot proof “Lily” in combination with choke tubes)
Chokes: ½ – ¾
Standard barrel length: 55 cm (22")
Weight*: approx. 3.4 – 4.0 kg
*depending on barrel length, caliber and density of stock wood
M6 Aircrew Survival Weapon
https://en.wikipedia.org/wiki/Combination_gun
