The Century Arms AP51 Pistol 7.62×51 NATO 20-Round Black is a compact PDW-style semi-automatic pistol built around the proven G3-pattern layout. Chambered in .308 / 7.62 NATO, it uses a stamped steel receiver with a polymer Navy-style grip and ambidextrous selector. The package includes a threaded muzzle with a birdcage flash hider and a 1913 Picatinny rail for optics. With a standard 20-round magazine, this pistol is designed for range practice, training, and general utility.
| Manufacturer | Century Arms |
|---|---|
| Model | AP51 Pistol |
| Material | Stamped steel receiver, polymer grip |
| Compatibility | .308 / 7.62×51 NATO magazines (standard 20-round included) |
| Finish | Black oxide / parkerized (per manufacturer specs) |
| Weight | Approx. 7.5 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- G3-Pattern Reliability — why it matters: This proven action cycles consistently with a wide range of .308 loads, giving you confidence at the range or in training drills.
- Ambidextrous Selector — why it matters: Left-handed or right-handed shooters can operate the safety without changing grip, making it a natural fit for family members with different dominant hands.
- Threaded Muzzle with Flash Hider — why it matters: You can attach a suppressor or compensator for reduced recoil and noise, ideal for introducing new shooters to larger calibers.
- 1913 Picatinny Optics Rail — why it matters: Mount a red dot or low-power scope for faster target acquisition, especially helpful for shooters with aging eyes or those learning sight alignment.
- 20-Round Magazine — why it matters: You get enough capacity for extended range sessions without constant reloading, keeping the focus on form and safety.
Who It’s For
This pistol fits families and beginners who want a compact, high-capacity platform for learning rifle-caliber shooting in a pistol format. It’s also a solid choice for experienced shooters looking for a training tool that mirrors the manual of arms of larger G3-style rifles. The ambidextrous controls and manageable recoil (with proper technique) make it approachable for youth shooters under supervision.
Pros & Cons
- Pro: Rock-solid G3-based action with proven reliability across temperature and ammo types.
- Pro: Affordable entry into a .308 pistol platform compared to many custom builds.
- Con: The pistol is heavier than many 9mm AR-style pistols (approx. 7.5 lbs unloaded), which can fatigue new shooters during long sessions.
Comparison: AP51 vs. Similar Platforms
| Feature | Century Arms AP51 | Zev Technologies OZ9C | Geissele Super Duty Pistol |
|---|---|---|---|
| Caliber | .308 / 7.62×51 NATO | 9mm | 5.56 NATO |
| Action | G3-pattern roller-delayed blowback | Striker-fired | Gas-impingement |
| Weight (unloaded) | ~7.5 lbs | ~1.8 lbs | ~5.8 lbs |
| Capacity (standard) | 20 rounds | 17 rounds | 30 rounds |
| Optics Ready | Yes (1913 rail) | Yes (RMR footprint) | Yes (URX rail) |
| Price Range | $1,699.99 | $2,100+ | $1,800+ |
| Best For | Training, range, utility | Competition, concealed carry | Duty, home defense |
According to Century Arms specs, the AP51 is built with a stamped steel receiver that mirrors the durability of classic G3 designs. One honest drawback: the weight and length of pull may be less comfortable for smaller-framed shooters, so we recommend trying it in person before buying.
Frequently Asked Questions
What caliber is the Century Arms AP51?
It is chambered in .308 / 7.62×51 NATO, using standard 20-round magazines compatible with G3-pattern firearms.
Is the AP51 fully ambidextrous?
Yes, it features an ambidextrous selector for left- and right-handed shooters, but the charging handle is located on the left side (right-hand operation).
Can I mount a suppressor on the AP51?
The barrel is threaded (common 5/8×24 thread pitch) and includes a birdcage flash hider, so you can attach a suppressor or muzzle brake with the correct adapter.
What is the weight of the AP51 pistol?
Unloaded weight is approximately 7.5 lbs per manufacturer specs, making it heavier than most 9mm pistols but lighter than a full-size .308 rifle.
Does the AP51 come with a warranty?
Century Arms offers a limited lifetime warranty on the receiver and a one-year warranty on other components. Check their official policy for details.
✓ Nationwide delivery (all 50 states) ✓ Ships 1-2 business days ✓ 30-day returns ✓ Secure checkout
Last updated: April 2026
According to the NSSF, over 5 million new shooters entered the sport in the last two years, and compact pistol-caliber carbines and PDW-style pistols like the AP51 are among the fastest-growing categories. Browse our full selection of AR Pistols or check out Firearm Parts & Accessories to customize your setup.
Buy Firearms Online – Reliable & Affordable
This Century Arms AP51 Pistol 7.62×51 NATO 20-Round Black is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Century Arms AP51 Pistol 7.62×51 NATO 20-Round Black?
- ✅ Quality guaranteed by top firearm manufacturers
- ✅ Ships fast across the USA
- ✅ Legal compliance and background-check ready
Buy Firearms Near Me – Nationwide Delivery
No matter your location, we ship to all 50 states. Looking for where to buy Accessories near you? FRT-15.com brings the best selection to your door, legally and securely.
Shipping & Return Policy
- 📦 Fast shipping within 1–3 business days
- 🔁 30-day return policy for unused, unmodified items
- 💬 Questions? Contact our support team
Related Firearms
Explore more options: handguns, rifles, shotguns, and trigger kits.
Reviews
There are no reviews yet.