Q Minifix SBR – 300 Blackout Short Barrel Rifle
Specs at a glance
About this product
The Q Minifix SBR in 300 Blackout delivers precision in a compact bolt-action package. California customers can purchase this NFA item through our FFL transfer process. This rifle’s 8-inch barrel makes it ideal for both range use and practical applications. Nationwide shipping. Order from anywhere in the US.
Q Minifix SBR: Precision in a Compact Package
The Q Minifix SBR in 300 Blackout represents the pinnacle of modern short-barreled rifle design. Built by Q, known for their innovative firearms, this bolt-action rifle combines exceptional accuracy with a compact form factor that’s perfect for shooters who demand performance without compromise. With an overall length of just 26.9 inches and weighing only 4.75 ounces, this SBR offers remarkable portability while maintaining the shooting characteristics of a full-sized rifle.
Technical Specifications
- Manufacturer: Q
- Model: Minifix SBR
- Caliber: 300 Blackout
- Action: Bolt
- Barrel Length: 8 inches
- Overall Length: 26.9 inches
- Weight: 4.75 ounces
- Thread Pitch: 5/8×24
- Magazine Compatibility: AR15/M4 compatible magazines
- SKU: Q-FIXSBR-300
- MSRP: $3600
What Makes This SBR Stand Out
The Q Minifix SBR excels specifically because of its bolt-action design in the 300 Blackout chambering. While many SBRs are semi-automatic, this bolt-action configuration provides superior accuracy potential and reliability. The 8-inch barrel is optimized for 300 Blackout ammunition, ensuring proper powder burn and velocity retention even in this compact format. The rifle’s lightweight construction at just 4.75 ounces makes it exceptionally easy to handle and carry, while the AR15/M4 magazine compatibility means you can use the same magazines as your other firearms. This isn’t just another short rifle – it’s a purpose-built precision instrument that happens to be compact.
California Ownership Considerations
For California shooters, the Q Minifix SBR represents a unique opportunity to own a high-quality NFA item that’s both practical and compliant when properly registered. At calgunsdepot, we help guide customers through the Form 4 process to ensure everything is handled correctly. The 300 Blackout chambering is particularly well-suited to California shooting ranges, offering excellent performance without excessive noise or muzzle blast. This rifle’s compact size makes it ideal for transport to and from the range, and its precision capabilities mean you’ll get the most out of every range session.
Related SBR Options
If you’re considering the Q Minifix SBR, you might also want to look at our other premium short-barreled rifles. The Breacher’s Custom Guns Daniel Defense SD offers similar compact performance in a different configuration. For those interested in other calibers, the B&T SPC45 PDW SBR provides .45 ACP capability in a compact package. And if you want to stay within the Q family, check out the Boom Box by Q for a different take on compact firearms.
Each of these SBRs brings something unique to the table, whether it’s different operating systems, calibers, or design philosophies. We recommend handling several options to find what works best for your specific needs and preferences.
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 is the NFA process for purchasing this SBR?
Purchasing this SBR requires a Form 4 transfer through the ATF. You'll need to submit fingerprints, passport photos, and undergo a background check. We handle the paperwork through our FFL to ensure everything is completed correctly.
How long does the approval process take?
Current ATF processing times for Form 4 transfers typically range from 6 to 9 months. This can vary based on ATF workload and individual circumstances. We submit paperwork promptly to start your clock.
How do you ship this SBR to California customers?
We ship all NFA items directly to your chosen California FFL holder. You'll need to coordinate with them for the transfer once ATF approval is received. We work with FFLs throughout the state.
Why choose 300 Blackout for an SBR?
300 Blackout is specifically designed for short barrels, maintaining velocity and energy better than many other calibers in compact configurations. It's versatile for both range use and practical applications, with excellent terminal ballistics.
Key attributes
| Weight | 4.75oz |
| Manufacturer | Q |
| Caliber | 300BLK |
| Action | Bolt |
| Barrel | 8 |
| Length | 26.9 |
| Thread Pitch | 5/8x24 |
| Magazine | AR15/M4 Compatible |