The Bearing Delay Upper Receiver is a complete upper receiver system ready to be paired with the AR lower receiver of your choice. Available in 5 different barrel lengths: 4.5", 7.5", 11", 14.5", 16" - all threaded for a 1/2-28 muzzle device. No 9mm-specific buffer needed. The Bearing Delay Upper Receiver is designed to work with standard AR-15 buffers. The heart of the Bearing Delay Upper Receiver is the unique ball bearing bolt carrier group (BCG). The ball bearings interface with corresponding features in the barrel extension and provide the lockup in battery and the delay after firing. The system can be tuned by replacing the Lifter to change the angle of the surfaces that push the bearings from the inside of the BCG. The bolt face includes our unique center ejector to provide the most consistent ejection of any 9mm AR on the market. The firing pin passes through the ejector. Take all the benefits of roller delay: reliability, durability, low recoil and combine with the familiarity of the AR-15 platform. Rollers are obsolete. Each of Mean’s ball bearings has the same contact surface area of the original MP5 roller. So with their 3 bearings, they have 50% more contact surface area than a traditional roller delay. This means that even with the higher pressures of modern ammunition, the Bearing Delay system has greater durability than any roller delay. The ability to tune the system by swapping the Lifter means that the Bearing Delay™ system can be tuned based on ammunition type, barrel length, suppressor, or any other factor. Each Bearing Delay Upper Receiver includes two Lifters. If you elect to use MEAN Arms Endomags (Ejectorless), the Bearing Delay Upper Receiver is compatible with milspec lower receivers OR you can use dedicated pistol magazine lower receivers. Most pistol magazine lower receivers will need to have the stationary ejector removed to be compatible with the Bearing Delay system. Each Bearing Delay Upper Receiver includes 2 Ejectorless Endomags. MA Upper Receiver The Bearing Delay Upper Receiver includes a slick side billet machined aluminum upper receiver that adheres to milspec standards. No forward assist. MA Handguard The new MA Handguard is a free float hybrid design including a very rigid high temperature and high strength polymer body with a metallic insert that is overmolded (permanently attached) within the handguard and threads onto the specially designed barrel nut. Internal width (flat to flat): ~1.375" Available in 5 lengths based on the barrel configurations of the Bearing Delay Upper Receiver. MA Charging Handle The MA Charging Handle is a new ambidextrous design incorporating both steel and aluminum machined components. MA Muzzle Device The MA Muzzle Device reduces recoil and muzzle flash. Comes with a left-hand threaded jam nut which eliminates the need for a crush washer. SPECS Caliber: 9×19mm Parabellum Compatible with both milspec AR-15 and dedicated pistol-magazine lower receivers Works with standard AR-15 buffers 5 available barrel lengths: 4.5", 7.5", 11", 14.5" and 16" Weight of entire Upper (BCG alone is just under 11oz) 4.5" is 2.59 lbs 7.5" is 2.92 lbs 11" is 3.23 lbs 14.5" is 3.57 lbs 16" is 3.72 lbs Each Bearing Delay Upper Receiver includes: Fully tunable ball bearing bolt carrier group MA Upper Receiver - slick side billet machined aluminum upper receiver MA Handguard - free float hybrid metal/polymer design MA Charging Handle - new ambidextrous design MA Muzzle Device - exclusive machined design reduces recoil and muzzle flash Also included with the purchase of the Bearing Delay Upper Receiver: 1 additional Lifter for tuning the system (2 total included) 2 Ejectorless EndoMags (PMAGs NOT included)
Bearing Delay Upper Receiver er et komplett overdelssystem klart til å pares med AR-lower receiver etter ditt valg. Tilgjengelig i 5 forskjellige løpet lengder: 4.5", 7.5", 11", 14.5", 16" - alle gjengede for en 1/2-28 munningsanordning. Ingen 9mm-spesifikk buffer nødvendig. Bearing Delay Upper Receiver er designet for å fungere med standard AR-15 buffere. Hjertet i Bearing Delay Upper Receiver er den unike kulelager bolt carrier group (BCG). Kulelagrene griper inn i tilsvarende funksjoner i løpet og gir låsing i batteri og forsinkelse etter avfyring. Systemet kan justeres ved å bytte ut Lifter for å endre vinkelen på overflatene som presser lagrene fra innsiden av BCG. Boltflaten inkluderer vår unike midtutskyter for å gi den mest konsistente utskytingen av enhver 9mm AR på markedet. Tennstiften passerer gjennom utskytteren. Ta alle fordelene med rullforsinkelse: pålitelighet, holdbarhet, lav rekyl og kombiner med kjennskapen til AR-15 plattformen. Ruller er utdaterte. Hvert av Mean’s kulelagre har samme kontaktflateareal som den originale MP5-rullen. Så med sine 3 lagre har de 50% mer kontaktflateareal enn en tradisjonell rullforsinkelse. Dette betyr at selv med de høyere trykkene fra moderne ammunisjon, har Bearing Delay-systemet større holdbarhet enn noen rullforsinkelse. Evnen til å justere systemet ved å bytte Lifter betyr at Bearing Delay™-systemet kan justeres basert på ammunisjonstype, løpet lengde, demper eller andre faktorer. Hver Bearing Delay Upper Receiver inkluderer to Lifters. Hvis du velger å bruke MEAN Arms Endomags (Utskyterløs), er Bearing Delay Upper Receiver kompatibel med milspec lower receivers ELLER du kan bruke dedikerte pistolmagasin lower receivers. De fleste pistolmagasin lower receivers må ha den stasjonære utskytteren fjernet for å være kompatible med Bearing Delay-systemet. Hver Bearing Delay Upper Receiver inkluderer 2 Utskyterløse Endomags. MA Upper Receiver Bearing Delay Upper Receiver inkluderer en glatt side billet maskinert aluminium overdel som overholder milspec standarder. Ingen fremover assist. MA Handguard Den nye MA Handguard er et free float hybrid design som inkluderer et svært stivt høytemperatur og høystyrke polymerkropp med et metallinnsats som er overmolded (permanent festet) innenfor handguarden og gjenger seg på den spesialdesignede løpet mutteren. Intern bredde (flate til flate): ~1.375" Tilgjengelig i 5 lengder basert på løpet konfigurasjoner av Bearing Delay Upper Receiver. MA Charging Handle MA Charging Handle er et nytt ambidextrous design som inkorporerer både stål og aluminium maskinerte komponenter. MA Muzzle Device MA Muzzle Device reduserer rekyl og munningsflamme. Kommer med en venstrehånds gjengemutter som eliminerer behovet for en crush washer. SPECS Kaliber: 9×19mm Parabellum Kompatibel med både milspec AR-15 og dedikerte pistolmagasin lower receivers Fungerer med standard AR-15 buffere 5 tilgjengelige løpet lengder: 4.5", 7.5", 11", 14.5" og 16" Vekt av hele overdelen (BCG alene er litt under 11oz) 4.5" er 2.59 lbs 7.5" er 2.92 lbs 11" er 3.23 lbs 14.5" er 3.57 lbs 16" er 3.72 lbs Hver Bearing Delay Upper Receiver inkluderer: Fullt justerbar kulelager bolt carrier group MA Upper Receiver - glatt side billet maskinert aluminium overdel MA Handguard - free float hybrid metall/polymer design MA Charging Handle - nytt ambidextrous design MA Muzzle Device - eksklusiv maskinert design reduserer rekyl og munningsflamme Også inkludert med kjøpet av Bearing Delay Upper Receiver: 1 ekstra Lifter for justering av systemet (totalt 2 inkludert) 2 Utskyterløse EndoMags (PMAGs IKKE inkludert)
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