Buy .243 WSSM Ammo for Sale
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Winchester 243 WSSM 64gr Power Point Ammunition 20rds - X243WSS
Brand:
Winchester
Bullet Type:
Power Point
Caliber:
.243 WSSM
Grains:
100 grain
Rounds:
20
From:
$24.99
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12
(3)
Winchester Ammunition Ballistic Silvertip 95 gr Polymer Tip .243 WSSM Ammo, 20/box - SBST243SSA
Brand:
Winchester
Bullet Type:
Ballistic Silvertip
Caliber:
.243 WSSM
Grains:
95 grain
Rounds:
20
From:
$34.26
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12
(0)
Winchester Ammunition Ballistic Silvertip 55 gr Polymer Tip .243 WSSM Ammo, 20/box - SBST243SS
Brand:
Winchester
Caliber:
.243 WSSM
Rounds:
20
Marketplace Insights
★ 5.0/5
based on 3 customer reviews across 3 variants from 12 retailers
All reviews are highly positive, praising the ammunition's accuracy, hunting effectiveness, and product availability from the retailer.
What customers like
Accuracy & Performance67%
Very accurate bullet... shoot tight groups of 3 shoots as tight as a size of a dime
Product Availability67%
I'm glad Winchester still loads this from time to time!
Hunting Effectiveness33%
I have bagged several deer with this great load
Common concerns
Frequently Asked Questions
Buy .243 WSSM Ammo for Sale
What is 243 WSSM caliber used for?
.243 WSSM is used for varmint control, deer hunting, and youth shooting. Winchester designed it as a compact, high-velocity cartridge, pushing heavier match bullets like the 105-grain Berger VLD to nearly 3,300 fps. Its short, fat case aids consistent accuracy, and the reduced rifle size suits younger or smaller-framed shooters.
How fast is a 243 WSSM?
A 55-grain .243 WSSM load reaches around 4,060 fps, while 95-grain loads achieve approximately 3,150 fps. These velocities run slightly faster than standard .243 Winchester due to the cartridge's short, efficient case design.
How does 243 WSSM compare to 243 Winchester?
.243 WSSM fires bullets 100–200 fps faster than .243 Winchester from a shorter, fatter case. This yields a slightly flatter trajectory, but .243 Winchester dominates factory ammunition and brass availability, making it far more practical for most shooters, especially those who don't reload.
What is the recoil of a 243 WSSM rifle?
The .243 WSSM generates approximately 10.1 foot-pounds of recoil energy. This is moderate and manageable, slightly more than the standard .243 Winchester, which produces around 8.8 ft-lbs. It suits youth and varmint hunters well.
What are the different loads for 243 WSSM?
.243 WSSM loads range from 55 to 100 grains. Common weights include 55, 70, 80, 85, 90, 95, and 100 grain bullets. Lighter loads suit varmint hunting; heavier bullets work for deer-sized game. Winchester and Nosler publish reloading data covering this full range.