Description
Built for Performance, Not Just Looks
When Breacher’s Custom Guns puts their name on something, you know it’s been engineered for serious use. The AP5SD-K SBR isn’t a range toy dressed up with accessories—it’s a purpose-built firearm that delivers where it counts. The 5-inch barrel keeps this package compact without sacrificing the legendary reliability of the roller-delayed blowback system. At 7 pounds 14 ounces, it has enough heft to manage recoil effectively while remaining maneuverable in tight spaces.
What Makes This SBR Stand Out
What sets the AP5SD-K apart from other 9mm SBRs is how Breacher’s Custom Guns has optimized the entire system around suppressor use. This isn’t just a threaded barrel slapped on a standard design. The gas system, bolt weight, and spring rates have been tuned specifically for suppressed operation, resulting in smoother cycling and reduced gas blowback to the shooter. The 30-round magazine capacity gives you plenty of rounds on tap, while the overall balance makes this one of the most shootable compact 9mm platforms available today.
Specifications at a Glance
- Manufacturer: Breacher’s Custom Guns
- Model: AP5SD-K SBR
- Caliber: 9mm
- Action: Semi-Automatic Roller-Delayed Blowback
- Barrel Length: 5 inches
- Weight: 7 pounds 14 ounces
- Magazine Capacity: 30 rounds
- MSRP: $3,350
Why This SBR Makes Sense for Arizona Shooters
Here in Arizona, we understand that firearms need to work when it matters. Whether you’re navigating rocky terrain in the desert or dealing with urban environments, the AP5SD-K’s compact size and 9mm chambering make it an excellent choice for practical applications. The suppressor-ready design means you can run it quietly on private land without disturbing neighbors, and the roller-delayed system handles everything from standard pressure range ammo to hotter defensive loads without complaint. At Tucson Arms, we’ve seen firsthand how well this platform performs in our climate and terrain.
Other SBR Options to Consider
If you’re shopping for an SBR, you might also want to check out our B&T APC9K SD SBR Kit for another excellent suppressed 9mm option, or the Honey Badger by Q™ – 300 BLK SBR if you’re looking for something in a different caliber. For those interested in a more traditional rifle cartridge, the Noveske Gen 4 N6 Leonidas SBR represents top-tier AR-platform quality.
NFA-Regulated Firearm — ATF Form 4 Required
This is a short-barreled rifle (SBR) regulated under the National Firearms Act. Purchase requires an ATF Form 4 transfer, a $200 federal tax stamp, and approximately 30–120 days of ATF processing (eForm 4 is typically faster than paper). The firearm ships to a licensed FFL/SOT dealer of your choice; you take possession only after ATF approval.
SBRs are currently legal to own in most U.S. states. They remain prohibited or restricted for civilian possession in California, New York, New Jersey, Washington D.C., Hawaii, Iowa, Rhode Island, and Washington State. Check your state and local law before ordering. By placing an order you affirm that possession is lawful in your jurisdiction and that you are 21+ with no prohibiting factors under 18 U.S.C. §922(g).
Questions about Form 4, trust setup, or SOT transfer? Contact us before you order — we’ll walk you through it.
Frequently Asked Questions
What's the NFA process for purchasing this SBR?
Purchasing an SBR requires filing ATF Form 4, which includes fingerprint cards, passport photos, and background check. We handle all the paperwork submission through our FFL and guide you through each step. The process typically takes 6-12 months for approval.
How long does the approval usually take?
Current ATF processing times for Form 4 submissions average 8-10 months, though this can vary. We submit everything electronically to speed up the process. Once approved, we'll notify you immediately so you can pick up your SBR.
Do you ship to my local FFL?
Yes, we ship to any FFL in the United States that accepts NFA items. After purchase, we'll coordinate with your chosen dealer to handle the transfer. Your FFL will need to be set up for NFA transfers before we can proceed.
Why choose 9mm for an SBR?
9mm SBRs offer lower recoil, cheaper ammunition costs, and excellent performance with modern defensive loads. The roller-delayed system in the AP5SD-K provides smooth operation that's ideal for both training and practical use. It's a great balance of capability and shootability.
Mike R. (verified owner) –
This thing runs flawlessly suppressed. The tuning Breacher’s did really shows—minimal gas to the face and it cycles everything I’ve fed it. Worth every penny for a dedicated suppressor host.
Sarah L. (verified owner) –
Solid build quality and surprisingly accurate for a short barrel. The weight helps with follow-up shots. Only wish it came with more than one magazine, but that’s a minor complaint.
Carlos M. (verified owner) –
Perfect for desert shooting trips. Compact enough to pack easily but still shoots like a full-size firearm. The 9mm chambering means I can afford to shoot it regularly.