Never saw a 52 caliber MG. The .50 cal Browning M2 is fired by inserting a belt of ammo, pull the cocking lever back TWICE, (palm up is easier) release safety, hold both spade grips tightly, depress trigger with your thumb. Observe strike of rounds, adjust fire.
A typical .50 caliber round, such as the .50 BMG (Browning Machine Gun) cartridge, has an approximate mass of around 45-52 grams, depending on the specific type and composition of the bullet and casing.
any its not about the weight but the caliber. all airsoft bbs are the same diameter unless theyre a crappy off brand but a .12 gram will shoot out of a gun just as a .52 gram will. but dont use either one in an r73. idk your fps but .20 gram or .25 is probably the best
52 lbs
ABOUT .69 to .75 caliber. These were smoothbore muskets.
16
1861 Springfield 58 caliber Rifle Musket 1858 Endfield 3 Band .577 caliber Rifle Musket Sharp's Carbine 50 caliber Sharp's rifle 50 caliber Burnside carbine 52 caliber Spencer repeating carbine 52 caliber Henry Repeating rifle 44-40 rimfire Model 1841 Mississippi Rifle 58 caliber Harper's Ferry 1840 conversion smoothbore 69 caliber (Buck and Ball) This list represents only the more popular rifles. Other firearms such as shotguns (which do not have rifled barrels) and handguns (revovlers) are not listed.
Try egunparts, gun shows, gun shops
Impossible to answer without a DETAILED description of all markings and features.
It it is a Model 52, value range from 100-1200 USD.
250.oo
I think you mean a Sportmaster 512, Remington didn't make a Model 52. In MINT, like new condition around $300.-
This gun was made in 1936