The ArmaLite SPR Mod 1 Continuous Optics Platform kit includes:
COP/Continuous Optics Platform (upper receiver/rail)
Port Door Rod
Port Door Cover
2 center inserts
3 Picatinny rails
3 plain rails
2 Half Rails
*6" rail system
* $79.00 to have an ArmaLite tech install this kit on your upper for you. Extra charge for removal of pinned or welded muzzle breaks.
You can use the .223 barrels you already own with no modifications.
NOTE: Please read Tech Note 84 (in our website Library) thoroughly to determine if you are comfortable with the installation tasks. If you would like our Service Department to install this kit into your firearm, please contact our sales department at firstname.lastname@example.org. Kit installation by our Service Department typically requires less than one hour of labor.
Caliber: .223/.5.56 NATO
Upper Receiver: , 7075-T6 Aluminum