USED CMMG Inc AR-15 Lower Reciever Parts Kit Black 55CA601. These AR15 Lower Parts from the specialists at CMMG are crafted to meet and exceed mil-spec standards. Compatible with rifle buttstock kits the CMMG Inc AR-15 Parts Kit is perfect for modifying your AR-15 rifle entirely. When customization is vital you need a CMMG Inc AR-15 Lower Receiver Parts Kit for the best possible shot every time. Specifications for CMMG Inc AR-15 Lower Reciever Parts Kit: Manufacturer: CMMG Color: Black Finish: Black Caliber: Universal Gun Model: AR-15 Gun Type: Rifle Trigger Pin Size: Standard Included Accessories: Magazine Catch Spring Safety selector Magazine Release Button Magazine Catch Buffer Retainer Spring Bolt Catch Spring Bolt Catch Plunger Bolt Catch Features of CMMG Inc Lower Receiver Parts Kit 2CM-LPK-HBNYU Includes most of the necessary parts to build up your lower group except the commonly upgraded parts Does not include trigger guard fire control group & pistol grip All parts meet or exceed mil-spec Package Contents: CMMG Inc AR-15 Lower Reciever Parts Kit 2CM-LPK-HBNYU CMMG Inc 55CA601: Inc AR-15 Lower Reciever Parts Kit Black