MAGPUL CTR Carbine Stock Mil Spec
The patent-pending Compact/Type Restricted (CTR) is a drop-in replacement for the standard M4 stock body. Designed for stability, the CTR utilizes a shielded operation lever and a friction locking system that secures the stock to the buffer tube for zero movement.

Note: There are two types of buffer tubes (receiver extensions) in common use: Mil-Spec and Commercial. If you have a Commercial buffer tube on your rifle, make sure you order the Commercial CTR, stock number MAG311. For help identifying which buffer tube is on your rifle,

MIL-SPEC CTR RESOURCES
Features
Friction locking system that eliminates all stock movement.
Sloping cheek weld for improved user interface
Ambidextrous sling mounts for QD, 1.25" loops, and lanyard hole
Side mounting slots for cheek risers

Specifications
Weight: .0785 pounds without rubber butt-pad or spacer butt-pad
Collapsed Length: 7.2" without rubber butt-pad or spacer butt-pad
Extended Length: 10.5" without rubber butt-pad or spacer butt-pad