5.56 identification

[CMEBoston]

Anyone know what bullet this is? My father passed away last year. I found a couple magazines loaded with these. With no more in the collection of ammo I inherited
The shoulder of the round has a hard edge to it

 

[DW357]

Anyone know what bullet this is? My father passed away last year. I found a couple magazines loaded with these. With no more in the collection of ammo I inherited
The shoulder of the round has a hard edge to it

Looks like a frangible bullet

.223 REM (5.56x45mm) 55gr Frangible

www.ebrammo.com

 

[NavelOfficer]

Anyone know what bullet this is? My father passed away last year. I found a couple magazines loaded with these. With no more in the collection of ammo I inherited
The shoulder of the round has a hard edge to it

Yes, it's a Sinterfire bullet. It could be a 42gr, 45gr or thereabouts. Drop one on a hard surface and it will likely fracture.

Projectiles | SinterFire, Inc.

sinterfire.com

My experience with these type of bullets:
1) When fired from a revolver I'll often have two impacts on target, as they break as they travel trough the forcing cone and barrel.
2) If crimped too hard, they often break when chambering in an auto-loader.
3) They are effective in eliminating ricochet hazards when used on steel targets close up, but I'd suggest staying back about 10 feet when used in .308 and higher calibers.

I've found the Inceptor ARX/RNP product much more reloader-friendly and don't seem to have any of the fracturing issues.

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