Description
SKU: RTB1622LR15LW-BLK
RTB Complete 16" .22LR Lightweight Upper Receiver | A2 | 15" M-LOK | with Bolt Carrier Group and Charging Handle **This Product Ships ASSEMBLED - BCG & Charging Handle Removed to Prevent Damage During Shipping*** This complete 16-inch M-LOK upper receiver comes with our RTB 15-inch free float handguard and is built with only the best mil-spec components. The heart of this upper is comprised of a 4150 barrel and the bolt is made of all stainless steel construction and we use an anti-jam dedicated 22 charging handle. Barrel Specifications Caliber 22LR Length 16" Material 4150 Chrome Moly Vanadium Profile Lightweight Pencil Finish SBN Dimpled? No Twist Rate 1:16 Muzzle Thread 1/2x28 TPI Weight 23.2oz Bolt Carrier Group: Stainless Steel Construction Designed to work with all CMMG and RTB .22LR barrels long lasting and reliable Upper Receiver: Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III M4 Feed ramps Made in the U.S.A. Handguard: MATERIAL: HARD COAT ANODIZED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT PRECISION BORE ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES 7075-T6 BARREL NUT RAIL LENGTH IS MEASURED ALONG THE TOP INNER DIAMETER: 1.36" Charging Handle: Durable polymer construction with a filled-in, reinforced channel .22 ARC Mil-Spec style Anti-Jam Charging Handle Assembly AMMO RECOMMENDATION: For in-house testing, we utilize CCI .22LR Mini-Mag 36 Grain Copper-Plated Hollow Point Varmint Ammo (1,260 FPS). We highly recommend this ammunition for use with all RTB .22 uppers. It is important to note that the use of underpowered or economy-grade ammunition may lead to less-than-optimal performance outcomes. Please Note:Uppers may present light fouling from our quality control process and/or test firingAlthough .22lr AR builds do not utilize the functionality of a buffer or buffer spring, we still recommend using both to provide a stopping point/wall that prevents the 22 bolt carrier from moving rearward. Using a buffer and buffer spring will prevent light primer strikes. This is true for all Ciener/Atchisson 22 pattern platforms.***Please allow an additional 2-3 business days of lead time as these uppers are made to order.
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