
Winchester
.300 Blackout 200gr FMJ
Subsonic.300 BlackoutTarget
The manufacturer states this load is subsonic. No muzzle velocity is published for it.
Sound travels at about 1,050 fps on a freezing morning and about 1,150 fps on a hot afternoon.
Prices on file from OpticsPlanet and Ammunition Depot, updated nightly. We may earn a commission · disclosure
- 200 gr
- Bullet
- Brass
- Case
- 125 rounds
- Box
- $1.02
- Per round
Specifications
- Cartridge
- .300 Blackout
- Part number
- SUP300BLK2
- UPC (barcode)
- 20892030503
- Bullet
- FMJ
- Bullet weight
- 200 grains
- Case material
- Brass
- Pressure
- Standard
- Rounds per box
- 125
- Intended use
- Target
About .300 Blackout
Heavy subsonic bullets (190gr and up) need a fast twist to stabilise. A 1:8 or faster barrel is the usual recommendation; a slow-twist barrel can keyhole them.
Subsonic .300 Blackout often will not cycle a semi-automatic without a suppressor or an adjustable gas block.