BJT Complete Upper kits, where quality and reliability are at the top of the list.
Built without compromise. This all-in-one upper kit comes fully assembled and ready to perform — engineered for professionals, trusted by serious shooters, and designed so you never have to gamble with quality in a life-or-death moment.
What’s Included
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Fully assembled BJT upper with a dust cover and BJT Deadlock forward assist
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High-quality BCG (bolt carrier group) — smooth, reliable cycling you can trust
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10.5" Ballistic Advantage barrel — high quality from a brand you know and trust accuracy in a compact package
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Low-profile gas block & stainless gas tube — corrosion resistant and tuned for consistent function
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10" handguard — your choice of any of our BJT handguards
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BJT muzzle brake — reduced recoil and faster follow-ups
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Basic spring-loaded flip-up sights — immediate, dependable iron sights out of the box
Built for Duty — Not Discounts
We use premium components only. No cheap parts, no shortcuts. Every piece is hand inspected and assembled to exacting specs for maximum durability and repeatable performance. Whether you’re on the job, defending your home, competing, or preparing for the unexpected, this kit gives you a system that works when everything else fails.
Who It’s For
Police, SWAT, home defense, competition shooters — and yes, even the worst-case zombie apocalypse you hope never happen. Your gear matters, you shouldn’t settle for second-best. Many of these components are the same components we use to build the guns for some of our local law enforcement.
Don’t be the one caught unprepared. Quality and reliability aren’t optional — they’re essential. Invest in a build that won’t let you down. Get what you need now while you can.
Short, bold, and battle-ready — the BJT Complete Upper Kit. Ready to mount, ready to trust.