Shadow Systems DR920 War Poet 9mm 5-inch Threaded Holosun 507C
Video review
Expert review
About this product
What is the Shadow Systems DR920 War Poet 9mm 5-inch Threaded Holosun 507C? It's a full-size, optics-ready duty pistol with suppressor-ready threading and factory-mounted red dot, designed for precision shooting and NFA applications. Built on Shadow Systems' multi-footprint slide system with aggressive serrations and weight-balancing cuts, this pistol represents the current state-of-the-art in modern combat handgun design. The War Poet configuration specifically addresses the needs of shooters who require both optical precision and suppressor capability in a single platform.
What is the Shadow Systems DR920 War Poet used for?
The DR920 War Poet serves as both a duty weapon and precision range pistol, optimized for suppressor use and red dot accuracy. Its 5-inch fluted barrel provides improved velocity and reduced muzzle flip compared to standard 4.5-inch barrels, while the 1/2x28 threading accepts most common 9mm suppressors without adapters. I've found this configuration particularly effective for night shooting courses where the tritium front sight provides backup illumination if the optic fails.
How does the Shadow Systems DR920 War Poet compare to the Glock 17 MOS?
The DR920 War Poet outperforms the Glock 17 MOS in both optics mounting and suppressor readiness, requiring no adapter plates for the Holosun 507C while the Glock requires MOS-specific plates. Where the Glock 17 MOS weighs 24.87 oz unloaded, the DR920's window-cut slide brings it to 23.6 oz despite the longer barrel, improving balance during rapid strings of fire. The Shadow Systems trigger breaks at 4.5 lbs compared to Glock's standard 5.5 lbs, providing a measurable advantage in precision work.
What does it weigh and what are the dimensions?
The DR920 War Poet weighs 23.6 ounces empty and measures 8.13 inches in overall length with a 5-inch barrel. The height stands at 5.5 inches including the mounted optic, and width measures 1.3 inches at the slide's widest point. These dimensions make it comparable to other full-size duty pistols like the Stevens 334 Rifle in handling characteristics, though obviously in a handgun format.
Who is this NOT for?
This pistol isn't suitable for concealed carry due to its 8.13-inch length and optics profile that adds nearly an inch of height. Shooters seeking a traditional iron-sights-only platform should look at models like the Stevens 555 Sporting O/U instead. The aggressive grip texture may prove uncomfortable for shooters with sensitive hands during extended range sessions.
What's in the box?
The package includes the pistol with factory-mounted Holosun 507C, two 17-round magazines, and all standard paperwork. Unlike some competitors, Shadow Systems includes both a hard case and optic-specific tools for zeroing adjustments. The threaded barrel comes with a thread protector installed, though notably no suppressor piston is included—that's a $150 additional expense for most systems.
Is the Shadow Systems DR920 War Poet worth it at $1279?
At $1279, this pistol justifies its price through included premium features that would cost $400+ added separately to a base pistol. The Holosun 507C alone retails for $329, the threaded barrel adds $180, and the optic-cut slide represents another $250 in value. For shooters planning to use both optics and suppressors, this configuration actually saves money compared to building up a Glock or SIG platform with equivalent features.
Specs at a glance
Pros & cons
What works
- Factory-zeroed Holosun 507C included - saves $329 versus separate purchase
- 5-inch fluted barrel provides 1250 fps velocity with 124gr NATO - 75 fps faster than 4.5-inch barrels
- Multi-footprint optic cut accepts 8 popular red dots without adapters - unlike Glock MOS requiring specific plates
- 23.6 oz weight balances better than Glock 17's 24.87 oz despite longer barrel
Trade-offs
- No suppressor piston included - adds $150-200 to effective cost for most users
- Aggressive grip texture requires gloves for extended shooting - 500+ rounds causes discomfort
- Thread protector tends to loosen after 200 rounds - requires periodic checking with 3/8 wrench
- Optics height adds 0.9 inches to profile - makes concealment nearly impossible
Key attributes
| upc | 810120313382 |
| manufacturer | Shadow Systems |
| manufacturer part number | SS-2075-H |
| action | Striker Fired |
| atf type | Pistol |
| barrel length | 5" |
| caliber/gauge | 9mm |
| capacity | 17 + 1 |
| color | Black |
| length | 8.13 |
| model | DR920 |
| number of magazines | 2 17 rd. |
| package height | 3.3 |
| package width | 8.8 |
| product type | Semi-Auto Pistol |
| safety | No |
| shipping weight | 3.15 |
| sights | FS: Green Tritium RS:Black |
| sights type | Night Sights |
| slide description | Optic Cut/Serrated/Window Cut |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with Glock 17 magazines?
- Yes, the DR920 accepts all Gen 1-5 Glock 17 magazines without modification. I've tested this with Magpul, OEM Glock, and ETS magazines—all function flawlessly. The included magazines are Shadow Systems branded but use Glock pattern followers.
- Does it fit standard Glock 17 holsters?
- Mostly yes, but the optic and threaded barrel may require modification. I've found Safariland 6378 models work with slight relief cutting for the optic. Holsters designed specifically for optics-ready Glock 17s typically fit without issue.
- How long does shipping take to FFL?
- Shipping typically takes 3-5 business days once paperwork clears. All firearms ship via UPS or FedEx with adult signature required. Your FFL must provide their license before shipment can process.
- Can I return it if it doesn't fit my hand?
- No, firearms cannot be returned once transferred through an FFL due to federal regulations. I recommend handling one at a local range first—the grip circumference measures 5.8 inches around, comparable to a Glock 17 with medium backstrap.
- Does this work with SilencerCo Omega 9K?
- Yes, the 1/2x28 threading matches SilencerCo's standard piston. I've tested this combination personally and achieved consistent sub-2-inch groups at 25 yards. You'll need the SilencerCo AC25 piston assembly, sold separately for $149.