Increase you favorite rifleâs performance by up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance uses ultra progressive propellants that take your favorite SST and GMX bullets to levels of performance that are simply unattainable with converntional propellants.
PRODUCT DETAIL:
PRODUCT DETAIL:
- Caliber: 270 Winchester
- Grain: 140
- Bullet: SST
- Per 20
- Muzzle Velocity: 3090 fps
Firearms, trailers, and some accessories are only
available for purchase in stores. Each location follows
all BATF and individual state/county/city laws to insure
the desired product is legal for sale. Any info provided
online is subject to change, please go to your local store
for more accurate information.