Items Available For Purchase Today Object reference not set to an instance of an object. See All CMMG AR Carbine drop in piston conversion For Sale from: Alpha Omega Services LLC ( FFL) | Positive feedback: 99% View | Verified Seller | 1048 Completed Sales View Sellers Items CMMG AR Carbine drop in piston conversion For Sale from: Alpha Omega Services LLC | Positive feedback: 99% View | Verified Seller | 1048 Completed Sales View Sellers Items Alpha Omega Services LLC Seller Since: Jun. 2006 Identity Verified ( Nampa, ID ) Trusted Seller This seller is an FFL City: Nampa State: ID SOLD - $349.00 Shipping: $15.00 (or FREE in-store pick up!) Accepted Payment Methods: Returns: No Returns Description: New in the box - Convert your 5.56/.223 AR from gas inpingment to popular pistol drive - Conversion is simple to do - Make your AR reliable and CLEAN running. Make - CMMG Model - Gas to piston conversion set Operation - Semi or full - works with most 10"-16" AR15/M16 rifles and pistols .750 bbl diameter at the gas port -Included is bolt carrier, bolt spring upgrade, Clamp on piston block assembly, modified handguard set, Instructions CMMG carbine piston conversion replaces front sight base, handguard cap, handguards and bolt carrier on any gas operated AR-15 style upper. Piston systems operate cleaner due to hot gasses being diverted at the gas block instead of the upper receiver. Piston is hard chrome plated and is removable from the front of the gas block. The one piece bolt carrier has an integral impingement key for maximum strength. Gas block has an on and off setting for use with a suppressor, or remove the piston and set the gas system to off for use with our .22 conversion system. Compatible for most calibers but not the 300 AAC BLACKOUT. ALPHA OMEGA GUNS ARE MORE FUN NO OFFERS, NO TRADES. Any e-mail attempts of offers or trades will be deleted without response, please do not waste your time or ours. Thank you. Shop hours are Tuesday thru Saturday 10:30am-6:30pm MST. Please note that when you click the buy button, you will still need to contact us to receive instructions on how to pay for and have the item shipped to you. Buyer is responsible for knowledge of local and federal laws regarding this firearm and/or magazines. Condition: New In Box Item #: 996298107 Stock No.: CMMG Piston kit Location: ID Trades Accepted: Any e-mail attempts of offers or trades will be deleted without response, please do not waste your time or ours. Thank you. Share: Shipping Notes: See Description All purchases must be initiated with the "Buy It Now" button in the ad. We will arrange for payment over the phone, but all sales must go through the GA site. Please note that after clicking the 'Buy It' button YOU WILL STILL NEED TO CONTACT US for payment and shipping instructions. We can only respond during our business hours which are Tuesday through Saturday 10:30 AM to 6:30 PM, MT, and we will get back to you as soon as we can. Thanks for your patience and understanding. We are a family-owned, full-service gun store. It is our goal to provide quality products and outstanding service. We have been in the firearms business since 2002. Local Trades Only. Items You've Viewed Recently CMMG AR Carbine drop in piston conversio... $349.00 SELLER: Alpha Omega Services LLC (FFL Dealer) Add To Cart