Description
The SPG XDDG9101B-M4 XD MOD4 OSP 9MM 4″ BLK is a factory-ready, optic-ready pistol built for urban carry and home defense. This striker-fired 9mm runs a 4-inch barrel, black finish, and Springfield Armory XD MOD4 platform—no mods needed, just load and carry.
| Manufacturer | Springfield Armory (per manufacturer specs) |
|---|---|
| Model | XD MOD4 OSP / XDDG9101B-M4 |
| Material | Polymer frame, steel slide (per manufacturer specs) |
| Compatibility | Accepts XD MOD4 holsters, magazines, and optics plates (per manufacturer specs) |
| Finish | Black Melonite slide, black polymer frame |
| Weight | 23.5 oz unloaded (per manufacturer specs) |
| Condition | New |
Key Features
- Optic-Ready Slide: The OSP (Optical Sight Pistol) cut accepts over 20 micro red dots—mount a Holosun or Shield RMSc without milling. Why it matters: Faster target acquisition in low-light apartment hallways.
- 4-Inch Barrel: Balances concealability with a 9mm velocity sweet spot. Why it matters: You get reliable expansion from defensive ammo without printing under a T-shirt.
- GripZone Texture: Aggressive, hand-shaped stippling locks your draw. Why it matters: Sweaty palms from a summer EDC won’t shift your grip during a rapid string.
- Loaded Chamber Indicator: Tactile and visual port at the extractor. Why it matters: Chamber check at a glance—critical when clearing your nightstand before sunrise.
- Trigger Safety + Grip Safety: Three passive safeties with no manual lever. Why it matters: Holster reholstering under stress is safer—no buttons to fumble.
Who It’s For
This gun is for the urban CCW holder who wants an optic-ready pistol out of the box without spending $800. Apartment dwellers who keep a gun in a quick-access safe need the loaded chamber indicator and grip safety—no ND risk when grabbing it half-asleep. If you carry AIWB in a kydex holster, the 4-inch barrel and rounded profile reduce jab.
Pros & Cons
- Pros: Factory optic cut saves $150 in milling. Grip safety adds a layer for concealed carry. Melonite finish resists sweat corrosion. Price under $400 is rare for an OSP model.
- Cons: Trigger pull is 5.5–6.5 lbs out of the box—heavier than aftermarket triggers. The grip safety can pinch your palm if you ride high, though break-in reduces it.
Comparison
| Feature | SPG XDG9101B-M4 | Zev Technologies OZ9 | Agency Arms Syndicate |
|---|---|---|---|
| Price | $369 | $1,200+ | $1,500+ |
| Optic Cut | Factory OSP (RMSc footprint) | Factory RMR cut | Factory RMR cut |
| Trigger | Factory 5.5–6.5 lb | Zev Pro 3.5 lb | Agency 4 lb |
| Grip Safety | Yes | No | No |
| Weight (unloaded) | 23.5 oz | 24.2 oz | 25.1 oz |
| Magazine Capacity | 16+1 (9mm) | 17+1 | 17+1 |
FAQ
What optics fit the XD MOD4 OSP slide?
The OSP cut uses the RMSc footprint. Direct-mount optics include Shield RMSc, Holosun 407K/507K, Swampfox Sentinel, and Sig Romeo Zero. You can also use adapter plates for RMRcc or Docter footprint.
Is this gun California compliant?
No. The XD MOD4 OSP is not on the California handgun roster as of April 2026. For CA residents, check your local roster or consider the standard XD MOD2. This model ships to all other states.
Does it come with a holster?
No holster is included in the box. You’ll need a dedicated XD MOD4 OSP holster—most kydex brands like Vedder, Tier 1, and Blackhawk make models for the 4-inch barrel. The OSP cut does not affect holster fit.
Can I use +P ammo in this pistol?
Yes. According to Springfield Armory specs, the XD MOD4 is rated for +P 9mm ammunition. Keep in mind +P increases wear on recoil springs—replace them every 3,000 rounds if you shoot hot loads regularly.
Why Carry the XD MOD4 OSP?
According to the 2025 NSSF report, 72% of new handgun buyers choose striker-fired 9mms for self-defense. This SPG model hits that sweet spot—optic-ready, grip safety, and a price that leaves room for a quality red dot and holster. For an urban carrier, the 4-inch barrel is the Goldilocks length: long enough for a solid sight radius, short enough for appendix carry. The Melonite slide will outlast your jeans.
One honest drawback: the trigger is not match-grade. At 5.5–6.5 pounds, it’s safe for carry but not as crisp as a Timney Alpha or Geissele. If you want a lighter pull, budget for a trigger swap—but shoot 500 rounds first to break in the sear.
Last updated: April 2026
✓ Nationwide delivery (all 50 states)
✓ Ships 1-2 business days
✓ 30-day returns
✓ Secure checkout
Browse more: Semi Auto Handguns | Springfield Armory | Optic Ready Pistols
Reviews
There are no reviews yet.