The Winchester Ammunition Super Match 5.56 NATO 77 Grain 20 Round Box is 5.56mm (.223) rifle ammunition from Winchester's Super Match line. Each cartridge is loaded with a 77-grain boat tail hollow point bullet, and each box holds 20 rounds. It is listed for rifle use in 5.56mm (.223).
Key features
- 77-grain projectile
- 5.56mm (.223) load
- Super Match product line
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Winchester Ammunition Super Match 5.56 NATO 77 Grain 20 Round Box
- Manufacturer
- Winchester
- Model
- Super Match
- Caliber / gauge
- 5.56mm (.223)
- Item type
- Ammo
- Family
- Rifle Ammunition
- Bullet type
- Boat Tail Hollow Point
- Bullet weight
- 77 grain
- Rounds per box
- 20
- Features
- 5.56 NATO; 77 Grain; Boat Tail Hollow Point; 20 Round Box
- Manufacturer part #
- SM556
- UPC
- 020892234963





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