Nichols, yes Sir it is compatible with both rounds. No issues with firing either.

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Nickolas - just as the title says, it is a .223/5.56. The actual chambering is 5.56 NATO. As ,.223 is a slightly lesser-powered version (for all intents and purposes, the same dimensions) one can shoot .223 in ANY firearm chambered for 5.56. These rifles are some nice rifles, Nicholas. Check out the reviews - you'll find many very good ones. The endorsement of "Gunsite" - a fine firearms training academy - did not come easy, I'm sure.

yes it is a 5.56 and can fire .223 If you like this rifle it is no longer in production and when the sell out they will be gone "Ruger developed this rifle in association with Gunsite, and it is "Gunsite Approved". This bolt action scout rifle is compact and fast handling. It features a medium contour cold hammer forged barrel with threaded muzzle, adjustable ghost ring rear sight, and a forward mounted Picatinny rail to allow the mounting of modern optics such as an intermediate eye relief scope for "both eyes open" shooting and fast target acquisition.
Specifications and Features:
Ruger 6825
5.56 NATO (accepts .223 Remington)
Bolt action
16.1" cold hammer forged barrel threaded 1/2-28
1:8" twist
10 rounds capacity
Detachable box magazine
Mini-14 style magazine release
Flash hider
Adjustable ghost ring rear sight, non-glare protected post front sight
Forward mounted Picatinny rail
Integrated scope mount (rings included)
Gunsite name roll marked on receiver
Black laminate stock with recoil pad
Three 0.5" spacers for adjustment of length of pull
Sling swivel studs
Overall length 37" to 38.5"
Length of pull 12.75" to 14.25"
Weight 7.1 lbs
Stainless steel "

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Hi Nick, Yes this 5.56 NATO (accepts .223 Remington) Specifications and Features:
Ruger 6825 ---
>>>>> 5.56 NATO (accepts .223 Remington) --
Bolt action --
16.1" cold hammer forged barrel threaded 1/2-28 --
1:8" twist --
10 rounds capacity --
Detachable box magazine --
Mini-14 style magazine release --
Flash hider --
Adjustable ghost ring rear sight, non-glare protected post front sight --
Forward mounted Picatinny rail --
Integrated scope mount (rings included) --
Gunsite name roll marked on receiver --
Black laminate stock with recoil pad --
Three 0.5" spacers for adjustment of length of pull --
Sling swivel studs --
Overall length 37" to 38.5" --
Length of pull 12.75" to 14.25" --
Weight 7.1 lbs