CAV-15 "MKI" Receiver

The CAV-15 injection molded AR15 receiver was first unveiled by Cavalry Arms at the 2000 Soldier of Fortune Convention in Las Vegas, Nevada.  The first CAV-15 receivers shipped to consumers in December of 2000.

All CAV-15 receivers were injection molded in two halves from glass filled nylon 6, but the design went through 4 generations of revisions as assembly techniques were perfected and issues with the product addressed.

CAV-15 "MKI" Generation 1: The plastic of these receivers was untextured, and the halves were assembled together using screws only.  Very few of these receivers remain in existence, most were remanufactured as later versions.



CAV-15 "MKI" Generation 2: The plastic of these receivers was untextured, and the halves were assembled together using a combination of screws and sonic welding.  Very few of these receivers remain in existence, most were remanufactured as later versions.

CAV-15 "MKI" Generation 3: The plastic of these receivers was untextured, and the halves were assembled together using screws and more sonic welding.  Internal structural enhancements were incorporated as well.

CAV-15 "MKI" Generation 4:  Same as the Gen3, except texturing was added to the plastic.

Other Notes

Speed Pins:  To reduce scrap rate and increase product durability, Cavalry Arms switched from standard military style take down pins to "Speed Pins" that have the spring and detent built into them.  Speed Pins are still standard mil-spec diameter.  Some Gen3 and roughly half of the Gen4 receivers in existence use these pins.

Shortened Receivers:  Initially to meet the demand for requests for shorter stocks, Cavalry Arms offered stock shortenings for their receivers making them roughly A1 length.  The process involved chopping off the end of the stock, running a delrin plug into the buffer tube that the buttplate would screw into.  Screws were run into the sides of the stock into the plug for structural support.  This process also made the receiver use a carbine buffer system.  Some end users have performed this procedure themselves, Cavalry Arms does not recommend this procedure as it will void the warranty on your receiver

CAV-15 receivers "MKI" were discontinued in February of 2003 with the announcement of the upcoming CAV-15MKII at SHOT Show.  Existing inventory of CAV-15 MKI receivers was sold off to wholesalers.  The CAV-15 MKII has replaced the CAV-15 "MKI" in the Cavalry Arms Product line.  The 100% lifetime warranty still applies to all CAV-15 receivers, though any CAV-15 "MKI" receivers sent in for warranty and repair will be replaced with CAV-15 MKII's