Features:

• Mounts on commercial-spec sized carbine receiver extension tube (not included) from manufacturers such as Bushmaster, DPMS, Olympic, and others (please see the note below)
• Supplemental friction lock minimizes accuracy robbing wobble*
• Sloping cheek weld combines a slim profile with user comfort
• Shielded release latch prevents snagging and accidental operation
• Premium chrome-silicon lock spring provides positive locking and long service life
• Side mounting slots accept optional cheek risers for NON-AR15/M16 applications
• Replaceable 0.55" Extended Rubber Butt-Pad offers an anti-slip surface and increases impact protection
• Compatible with Magpul ASAP® and other receiver-mount sling attachments
• Sling Mounts
  
  • Rear - Push-button QD swivel sling mount accommodates up to 1.5" swivels (ambidextrous)
  • Rear/Bottom - 1.25" sling loops
  • Toe - Lanyard hole for custom para-cord rigs

Optional Accessories**

• Rubber Butt-Pad, 0.30"
• Enhanced Rubber Butt-Pad, 0.70:
• Cheek Risers (0.25", 0.50", 0.75" for NON-AR15/M16 applications)

Specifications**

• CTR, Commercial-Spec (stock configuration)
  
  • Weight: 0.58 lb.
    
  • Weight, w/ Rec. Extension: 0.91 lb.
    
  • Length, Maximum: 7.15 in.
    
  • LOP Adjustment Range: 3.80 in.
    
  • LOP, M4 Collapsed: 10.95 in.
    
  • LOP, M4 Extended: 14.75 in.

NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): mil-spec and commercial-spec. If you have a mil-spec extension on your rifle, make sure to order the Mil-Spec CTR. Please see the "Related Info" section above to determine which tube you have.


* Friction lock performance may vary depending on the host receiver extension's dimensional tolerances.

** Specifications based on extended-length (slant-back) commercial-spec carbine receiver extension and may vary depending on tube manufacturer.
Extended Rubber Butt-Pad, 0.55" weight: 0.11 lb.
Optional Rubber Butt-Pad, 0.30" (weight: 0.08 lb.) and Enhanced Rubber Butt-Pad, 0.70" (weight: 0.13 lb.) may ONLY be used with the uncommon standard-length (flat-back) commercial-spec carbine receiver extensions.Continue Reading...