These are replacement patrs for your mil spec AR. Chamber and barrel caliber do not make a difference.
Yes, the Timber Creek Enforcer AR Complete Build Kit includes a 15" free float ultra-light MLOK handguard.
The handguard in the Timber Creek Outdoors TCO Enforcer Complete Build Kit is 15".
The Timber Creek Outdoors TCO Enforcer Complete Build Kit for AR-15 will work with Mil-Spec AR15's. So it should work fine with a Springfield Saint Victor.
Yes, the Timber Creek Outdoors TCO Enforcer Complete Build Kit for AR-15 will work for a 300 Blackout build as long as the rest of the components are Mil-Spec. However, you will not be able to use the muzzle brake.
Yes. Most components of the Timber Creek Outdoors TCO Enforcer Complete Build Kit for AR-15 will work as long as the upper you are using is Mil-Spec. The Muzzle Brake would be something that I recommend not using however.
Yes, the Timber Creek Outdoors TCO Enforcer Complete Build Kit for AR-15 will work with a 5.56 rifle.
This dose not come with a BCG
No. This does not come with any of those mentioned items.
No. This does not come with any of those mentioned items.