Magpul Backpacker Ruger PC Carbine Rifle Stock - Black - The Magpul PC Backpacker Stock for the Ruger PC Carbine is the ultimate option for those wanting to bring advanced ergonomics and portability to their Ruger PC Carbine rifle. Designed for those who want to transport their carbine in an efficient convenient package without compromising shooting performance. Made In The USA Weight: 21oz Length Of Pull: 13.75in Ruger models equipped with chassis and/or tubular handguards utilize a Modular Handguard Mount1 which will need to be replaced by the end user with a standard Takedown Block2 in order to mount the Magpul Forend.