From: Officer.com
Micro 7 Rifle Specifics
Yes, the Micro 7 is built on the Remington 700 short-action. The owner’s manual included with the rifle is actually the Rem. 700 manual. The AAC Micro 7 rifle is small and light-weight, hence the Micro moniker.  The barrel is 16 inches long with a 1 in 8 twist for the slower, heavy bullets.  As it is assumed the end user will be employing a silencer, the muzzle is threaded for the normal .30 caliber 5/8-24 TPI. AAC includes a thread protector.
An “X-Mark Pro†adjustable trigger with a two position safety is included as part of the package. The bolt action is fed from a four round magazine with a hinged floorplate.  Atop the action AAC has include a 20 MOA Picatinny scope rail. A black nitride finish is applied to the metal parts.
The barrel and action are bedded into a black synthetic stock. This stock has an adjustable cheek piece and a rubber buttpad. Standard sling studs are located fore and aft. Empty weight is right around 6.5 pounds.