Description
The Bren 2 MS is what happened when CZ tossed the original 805 Bren blueprint and started over. Instead of building to a military checklist, their engineers designed this one from scratch, and the weight savings alone tell the story. At 5.625 pounds, it undercuts most piston guns in its class by a wide margin thanks to a trimmed aluminum upper receiver and a lower molded from carbon fiber reinforced polymer. The short-stroke gas piston system keeps its recoil spring inside the action, so there is no buffer tube hanging off the back and the whole package stays balanced and quick between targets.
Controls That Make Sense on the Bren 2 MS
If you have spent time behind an AR, you will feel at home here fast. The safety and magazine release sit right where you expect them, and everything is mirrored on both sides. The charging handle swaps left or right, stays put while firing, and doubles as a forward assist when you need to muscle a round home. CZ also tucked a bolt catch and release into the front of the trigger guard, which makes locking the bolt back or sending it forward about as easy as it gets. It feeds from standard AR-15 pattern magazines, so your existing mag stash works day one.
Built to Run and Ready to Grow
The 11.14 inch cold hammer forged barrel wears a flash hider over 1/2×28 threads, and the adjustable gas block has settings for normal use, adverse conditions, and suppressed shooting. Folding adjustable iron sights ride the full-length top rail with plenty of room left for a red dot or LPVO, and the M-LOK forend handles lights and grips. The flat rear plate accepts an AR-style buffer tube if you want to add a stabilizing brace down the road, and reviewers consistently report this platform digesting everything from steel-cased plinking ammo to premium loads without a hiccup. It is a serious piece of Czech engineering that earns its reputation every time it hits the range.
Key Specifications
- Manufacturer Part Number: 91451
- UPC: 806703914510
- Model: Bren 2 MS
- Caliber: 5.56 NATO / .223 Rem
- Action: Semi-Auto, Short-Stroke Gas Piston
- Barrel Length: 11.14 in, Cold Hammer Forged
- Muzzle Threads: 1/2×28 TPI with Flash Hider
- Capacity: 30 Rounds
- Magazine Type: AR-15/STANAG Pattern
- Overall Length: 22.8 in
- Weight: 5.625 lb
- Upper Receiver: Aluminum
- Lower Receiver: Carbon Fiber Reinforced Polymer
- Sights: Folding Adjustable Front and Rear
- Safety: Ambidextrous Manual
- Handguard: M-LOK Compatible
What’s Included
- CZ Bren 2 MS 5.56 NATO Pistol
- 30-Round AR-15 Pattern Magazine
- Owner's Manual
- Cable Lock
Frequently Asked Questions
Does the CZ Bren 2 MS use AR-15 magazines?
Yes, the 5.56 versions of the Bren 2 MS feed from standard AR-15/STANAG pattern magazines, and they drop free when released. That means all your existing PMAGs and aluminum GI mags will run in this gun without buying into a proprietary system.
Can I add a brace or stock to the Bren 2 MS pistol?
The rear plate on the Bren 2 MS is set up to accept a standard AR-style buffer tube, which opens the door to stabilizing braces and similar accessories. SB Tactical also makes a brace designed specifically for this platform. Since the recoil spring lives inside the receiver, nothing back there is required for the gun to cycle.
Is the Bren 2 MS suppressor friendly?
Very much so. The 11.14 inch barrel is threaded 1/2×28 under the factory flash hider, and the adjustable gas block lets you tune for normal, adverse, or suppressed shooting. Owners and reviewers report it running reliably suppressed, even with budget steel-cased ammo.
How is the Bren 2 MS different from the original 805 Bren?
The Bren 2 is a full redesign rather than an update. It sheds significant weight with an aluminum upper and carbon fiber reinforced polymer lower, swaps the reciprocating charging handle for a non-reciprocating one that doubles as a forward assist, and adds fully ambidextrous AR-style controls, including a bolt release built into the trigger guard.



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