Items Available For Purchase Today Object reference not set to an instance of an object. See All Core15 Core 15 GTO M4 Tac Piston Rifle 5.56 AR15 AR 15 For Sale from: thefiringpin ( FFL) | Positive feedback: 100% View | Verified Seller | 14 Completed Sales View Sellers Items Core15 Core 15 GTO M4 Tac Piston Rifle 5.56 AR15 AR 15 For Sale from: thefiringpin | Positive feedback: 100% View | Verified Seller | 14 Completed Sales View Sellers Items thefiringpin Seller Since: Apr. 2013 Identity Verified ( Opelika, AL ) This seller is an FFL City: Opelika State: AL Sale Pending - $1,525.00 Shipping: $30.00 (or Arrange local transfer) Accepted Payment Methods: Returns: No Returns Description: Thank you for visiting our listing. This ad is for a Factory New Core15 M4 Piston Rifle. This gun is piston driven and has Core's quad rail system. Magpul MBUS flip up sights are standard on this rifle along with the MOE stock. This rifle is chambered in 5.56 Nato. Our feedback can be viewed on GB by advanced searching by seller "The Firing Pin". Please call or email us with any questions you have. Condition: New In Box Brand: Core15 Model: M4 Tac Piston Caliber: .223 Remington (5.56 NATO) Item #: 936756561 Stock No.: TacM4Piston Location: AL Trades Accepted: Share: Shipping Notes: Longguns ship UPS Ground Handguns ship UPS 2nd Day Air The Firing Pin is your premier retailer for quality firearms and accessories. Our inventory consists of handguns, shotguns, AR-Style Carbines, Class III and much more. If we don't have what you're looking for, give us a call or stop by our shop and let us find it for you. We look forward to earning your business! Items You've Viewed Recently Core15 Core 15 GTO M4 Tac Piston Rifle 5... $1525.00 SELLER: thefiringpin (FFL Dealer) Add To Cart