Description
RTB Complete 16" .22LR Lightweight Upper Receiver | A2 | 13.5" M-LOK | With Bolt Carrier Group and Charging Handle This Complete 16 inch M-LOK upper receiver comes with our RTB 13.5 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-jamb 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 Please Note:Uppers may present light fouling from our quality control process and/or test firing All semi-auto rimfire firearms operate best with quality copper plated and full powered or high velocity 22lr ammunition.Although .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. SKU: RTB1622LR135LW-BLK UPC:
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