ARAK-21® Features Components of the ARAK-21® Upper Receiver: The ARAK-21® is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take down pin, and the pivot pin. The new ARAK-21® upper receiver offers you all its features with no change to your current lower receiver and can be installed in less than one minute with no tools. Your ARAK-21® upper receiver will be shipped to you with one “Barrel Assembly Unit” (BAU), or two, depending on which package you purchase. The BAU is comprised of the barrel, gas block, muzzle brake, gas piston, gas adjuster, and barrel trunnion. The only removable part of this assembly is the gas adjuster knob. The gas adjuster knob has 4 settings. Three of the settings allow different gas flows for optimum operation, and one setting blocks the gas flow for a single shot operation. The upper receiver includes the charging block, standard charging handle, lower forearm with screws, three aluminum full length picatinny rails, three insulating shims, bolt carrier assembly, lower recoil lug with spring guide rod, and dual recoil spring system. Along with your new ARAK-21® upper receiver you will receive your owners manual, and two Allen wrenches that will fit the screws that attach the lower forearm, and the front picatinny rails. Due to the unique and innovative features of the ARAK-21® upper receiver, there are very few parts that are interchangeable with a standard AR-15. The firing pin, extractor spring, and ejector spring are the only parts that are standard and interchangeable with an AR-15 upper receiver. Other features include: The upper receiver is fully machined from an aircraft grade 6061-T6 aluminum billet in a one piece design that incorporates a full length picatinny rail (Mil-STD-1913) on the top and three additional rails on the muzzle end of the receiver, making it a full M4 style quad rail upper. The top picatinny rail is laser engraved for optic placement. There are also half-length picatinny rails available. Long stroke variable setting gas piston system. There are three options for gas flow, and one for no gas flow. This allows for single shot operation. There is also a clean out port for the gas block between the gas cylinder, and the barrel. Charging handle is ambidextrous, non-reciprocating, foldable, spring returned and is easily relocated from left to right side without tools by the operator. Model “39” Eight (8) lug bolt design with involute profile for both right and left hand versions. The extractor is positioned at 3 o’clock. This allows for a left hand version to use the same bolt by simply removing the cam pin and rotating 180 degrees and reinstalling the cam pin. Self-contained firing pin retention system enclosed in a rectangular bolt carrier that no longer requires a cotter pin. Bolted in hardened steel rail system for the bolt carrier to ride on. This allows a metal on metal wear surface for better wear characteristics and a much smoother operation. The ARAK-21® system allows for a folding stock to be added, as our recoil system does not extend beyond the upper receiver to fully operate. This eliminates the noise and feel of the buffer tube cycling back and forth. ARAK-21 - 7.62x39 Upper Receiver Includes: ARAK-21 Upper - Black Ambidextrous Ejection 16" 7.62x39 Medium Barrel MuzzLok 3 Port Muzzle Brake Shipping Box Manual BAU Removal Tools
Scopri l'ARAK-21: il tuo nuovo upper receiver completo per AR-15
Il ARAK-21® è un assemblaggio completo di upper receiver progettato per interfacciarsi senza soluzione di continuità con la piattaforma standard AR-15. Con un design innovativo e caratteristiche uniche, l'ARAK-21® offre prestazioni superiori e facilità d'uso.
Caratteristiche principali del ARAK-21®
- Assemblaggio completo di upper receiver a gas a pistone
- Interfaccia semplice con il pin di smontaggio e il pin di pivot
- Installazione in meno di un minuto senza strumenti
- Unità di assemblaggio del canna (BAU) inclusa, composta da canna, blocco gas, freno di bocca, pistone gas, regolatore gas e trunnion della canna
- Regolatore gas con 4 impostazioni per ottimizzare il flusso di gas
- Incluso: maniglia di carica standard, tre rotaie picatinny in alluminio, e sistema di molla di rinculo doppia
Materiali e design
Il receiver è completamente lavorato da un billette di alluminio 6061-T6 di grado aeronautico in un design monopezzo, incorporando una rotaia picatinny a lunghezza intera (Mil-STD-1913) sulla parte superiore e tre rotaie aggiuntive sul lato della bocca. Questo lo rende un upper in stile M4 con quad rail completo.
Funzionalità avanzate
- Sistema di pistone a gas a corsa lunga con opzioni di flusso gas variabile
- Maniglia di carica ambidestra, pieghevole e facilmente riposizionabile senza strumenti
- Design innovativo del bullone con sistema di ritenzione del percussore autonomo
- Possibilità di aggiungere un calcio pieghevole senza compromettere il funzionamento
Incluso nella confezione
- ARAK-21 Upper - Nero
- Canna media da 16" 7.62x39
- Freno di bocca MuzzLok a 3 porte
- Scatola di spedizione
- Manuale
- Strumenti per la rimozione della BAU
Grazie alle sue caratteristiche innovative, l'ARAK-21® è la scelta ideale per chi cerca un upper receiver di alta qualità per il proprio AR-15. Non perdere l'opportunità di migliorare la tua esperienza di tiro con questo prodotto all'avanguardia.
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