fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 3 months agoBurning Upmander.xyzexternal-linkmessage-square535fedilinkarrow-up11.31Karrow-down1110
arrow-up11.2Karrow-down1external-linkBurning Upmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 3 months agomessage-square535fedilink
minus-square Morphit @feddit.uklinkfedilinkEnglisharrow-up10·3 months agoBecause the minor diameter of the barrel is 5.56 mm and the major diameter is 5.69 mm. If the bullet were smaller than that then the propellant would blow past it. They didn’t make a 'murican millimetre like they did with the imperial system.
Because the minor diameter of the barrel is 5.56 mm and the major diameter is 5.69 mm. If the bullet were smaller than that then the propellant would blow past it. They didn’t make a 'murican millimetre like they did with the imperial system.