The Tubes Cummerbund Conversion Kit brings quick donn and doff capabilities, elimination of noise and wear from Velcro® panels, and consistent cummerbund placement to the AVS™ and JPC™ series of plate carriers.. The slots on these buckles measured approximately 38mm… It features our patented Skeletal™ cummerbund design. The Cummerbund come with all parts and pieces necessary to attach to an Overt carrier. Our JPC Cummerbund replacement improves ergonomics of the Crye JPC by allow rapid donning on/off without having to lift your front flap or attached chest rig. SIZING The cummerbund comes in two sizes: Size 1 and Size 2, each offering up to 14 inches of total adjustment. This cummerbund provides a three-row MOLLE mounting platform, which allows the AVS™ to be configured with more components. I looked at getting some First spear "Tubes" to modify this cummerbund but settled on the more available TMC quick release buckles. Retro-Kit Cummerbund Tubes Skeletal JPC/AVS/LVS. Arguably, the most universal cummerbund on the market, the SEACU-Cummerbund (Streamline Elastic Ammunition Carrying Unit) (pronounced like Sea Cucumber) is now available for the Crye Precision Jumpable Plate Carrier (JPC), Adaptive Vest System (AVS), Spiritus Systems LV-119, and Eagle Industries Ultra Low Vis Plate Carrier (ULV). The Tubes Cummerbund Conversion Kit brings quick donn and doff capabilities, elimination of noise and wear from Velcro® panels, and consistent cummerbund placement to the AVS™ and original JPC™ plate carriers. Cummerbund Feature: Full Skeletal L(Laser) cummerbund; JPC/AVS/LVS, Spiritus M119, Eagle ULV, Velocity Systems Scarab style plate carriers At just over one pound for the entire carrier, the JPC™ offers a variety of configuration options to suit an operator’s needs in terms of load carriage and comfort. Attachment method is the same as the JPC, simply use your old elastic shock cord to attach our cummerbund as normal. Arguably, the most universal elastic cummerbund on the market, the SEACU-Cummerbund (Streamline Elastic Ammunition Carrying Unit) (pronounced like Sea Cucumber) is now available for the Crye Precision Jumpable Plate Carrier (JPC), Adaptive Vest System (AVS), Spiritus Systems LV-119, and Eagle Industries Ultra Low Vis Plate Carrier (ULV) w/ First Spear Tubes technology. AVS™ 3-Band Skeletal™ Cummerbund. It includes the cummerbund, the TUBE integrator for the vest as well as the shockcord required to attach the cummerbund to the rear plate bag. A quick release cummerbund is a godsend in many situations, not to mention the horrific amounts of velcro noise that accompany the traditional JPC cummerbund. Through the use of our conversion kit, all modifications can be completed by the end-user without the lead-time associated with a custom shop.