The Century Arms CA-3, masterfully assembled by PTR, stands as a premier offering in the world of military surplus firearms. This rifle, a meticulously sourced G3, retains a wealth of original features that enthusiasts and collectors alike have come to cherish. Known for its robust and reliable design, the Century Arms CA-3 exemplifies the classic battle rifle with its roller-delayed blowback system and powerful .308 caliber.
This historic firearm whisks us back to an era dominated by the durable and formidable battle rifles. It comes equipped with a plethora of original surplus components that enhance its authenticity and appeal. The fixed stock and forend contribute to its traditional profile, while the adjustable front sight and rotary aperture rear sight ensure precision and adaptability in various shooting conditions. The trigger group has been thoughtfully modified to meet compliance standards without compromising the rifle’s classic feel.
Further enhancing its desirability, the Century Arms CA-3 includes several new, American-made components manufactured by PTR. These include the trunnion, barrel, and flash hider, which are crafted to exacting standards, ensuring both performance and durability. The stamped receiver, hammer, sear, and charging handle are also newly made, contributing to the rifle’s longevity and reliability.
The careful blending of authentic, surplus parts with new, high-quality components allows this rifle to maintain the nostalgic allure of a vintage battle rifle while delivering the performance expected in modern firearms. This blend of old and new makes the Century Arms CA-3 a must-have for both collectors and shooting aficionados, offering a slice of military history equipped to handle today’s demands. Whether for collection, display, or active use, the Century Arms CA-3 is a testament to the enduring legacy of classic military firearms, making it a standout choice for anyone seeking to own a piece of history that fires like new.






Clark –
I love that they didn’t weld a permanent modern Picatinny rail to the top. The receiver keeps the traditional mounting notches intact. I slipped a standard MFI claw mount over the receiver bulges and it locked down perfectly level.
Marc Garneau –
I took this out for a massive weekend range session to break it in. Running a mix of commercial brass and cheap steel-cased ammo, the fluted chamber performed flawlessly. It rips cases out with insane authority, leaving zero stuck hulls or cycling hesitations behind.
Joshua Martin –
The FFL transfer process was completely smooth.
Jackson Pelletier –
The rotary drum rear sight assembly is in excellent functional shape. It locks into the 100, 200, 300, and 400-meter detent notches with a sharp, positive click. Once zeroed, dialing for distance on the fly at the outdoor range is completely foolproof.
Hudson –
While battle rifle triggers are notoriously heavy, the surplus pack on my CA-3 breaks cleanly right at 7.5 pounds after a short stage. It has a very positive, mechanical reset that makes rapid firing strings on steel torso targets highly predictable and fun.
Ethan Lavoie –
I’ve fed this rifle a steady diet of cheap surplus M80 ball ammo and steel-cased target loads. The heavy-duty hammer spring hits the primers with massive energy, resulting in 100% reliable ignition with absolutely zero light strikes or failure-to-fire errors.
John Abbott –
I’ve wanted a true battle rifle in my collection for decades, but original imports are completely out of reach. The CA-3 completely scratches that itch. The combination of authentic Portuguese military parts kits and a crisp, modern PTR receiver makes it look, feel, and shoot exactly like a high-end heirloom.
Wayne –
The new charging handle and tube layout from PTR track smoothly without any grit. Pulling the handle back into the structural notch feels solid, and executing the iconic ‘HK slap’ to load the chamber functions flawlessly every single time.
Thomas –
The assembly tolerances are fantastic. The two stock pins push out with firm finger pressure without requiring a hammer and punch. The bolt carrier group slides out of the receiver tube smoothly, making standard carbon cleanup after a 200-round range trip incredibly easy.
Kevin –
The rifle is fully compatible with standard surplus HK91 and G3 furniture. I easily swapped out the narrow green handguard for a wide black model using the simple one-pin takedown design. It is an exceptionally modular weekend project gun.
Charles St. Laurent –
A massive detail that often gets shaved off modern clones is the front barrel assembly configuration. The bayonet adapter plug sits perfectly under the triple frame sight tower. I slipped a surplus German G3 contract bayonet onto the sleeve and it locked up tight.
Lawrence Reed –
The old C308 push-button releases were awful to reach, but this true G3 setup with the paddle release is incredibly ergonomic. Magazines snap in with a crisp mechanical click and drop free instantly. It’s exactly how a battle rifle should be.
Wyatt Levi –
This rifle launches empty brass like a rocket launcher
Smith –
The surplus stock layout is completely true to factory dimensions. I popped off the thin plastic buttplate and slid a standard surplus HK heavy rubber pad straight onto the metal tracking rails. It snapped in securely, adding a bit of length and extra recoil cushion.
Asher –
I inspected the receiver stamping under a bright shop light as soon as I picked it up. The welds attaching the charging handle tube and the rear stock backplate are exceptionally clean and uniform, with none of the sloppy splatter found on older custom builds.
Jack Aiden –
I ran both the included Portuguese steel magazine and a handful of cheap German aluminum surplus G3 mags through the magwell. Every single one locks up tight with zero loose wobbling, feeding commercial .308 Winchester smoothly.
Roy Gray –
The OD green furniture arrived with some honest field scuffs and storage wear that give it an amazing, authentic Cold War vibe. The internal steel parts were clean, perfectly functional, and completely free of deep corrosion. A true shooter’s history piece.
Jeremy Hansen –
Tearing the rifle down for its initial inspection showed how heavy-duty the internal components are. The backplate buffer and recoil guide rod spring assembly carry excellent tension. It handles the violent blowback of full-power .308 Win loads without a hint of frame battering.
Leo –
this is a solid chunk of Cold War steel.
Joshua Kutryk –
Building or buying a roller-delayed platform is an investment, and you shouldn’t cheap out on the core mechanics. This replacement layout is incredibly robust, highly accurate, and durable enough to outlast thousands of rounds. It is easily the finest value battle rifle on the market today.
Dan Lopez –
Make no mistake, it’s still a stout battle rifle, but the classic roller-delayed blowback system behaves beautifully. It flattens out the recoil impulse noticeably compared to an AR-10, making rapid target strings smooth and incredibly satisfying.
Austin Cox –
I stayed away from early Century clones for years, but hearing that PTR actually builds these CA-3 units won me over. The receiver stamps are dead-on, the welds are clean, and the bolt gap is perfectly within spec right out of the box.
Mackenzie King –
The rifle arrived at my local FFL dealer in tact!! I love iiiitttt!!!!