Description
Q took everything people love about The Fix, shrunk the action down for the 300 Blackout cartridge, and then went a step further on this version by fitting a 16 inch PROOF Research carbon fiber tensioned barrel. The result is a bolt gun that feels more like a mountain rifle than a range toy. Carbon fiber wrapped barrels shed heat better than a comparable steel contour and cut a serious amount of weight up front, which you notice the second you shoulder it. The gray finish with dark gray accents gives it a clean, understated look that matches the rest of Q's lineup.
What Makes the Mini Fix Different
This is not a traditional chassis rifle. The Mini Fix is built around a rigid one piece aluminum receiver that houses the bolt, trigger, and barrel, so there is no bedding or chassis interface to fuss with. The 45 degree short throw bolt handle keeps your hand low and fast on the cycle, and the two stage trigger breaks clean enough for real precision work. Controls will feel familiar if you have spent time behind an AR. The safety selector, magazine release, and grip all sit right where you expect them, and it feeds from standard AR-15 pattern magazines. A free float Q-Sert handguard and a continuous zero MOA Picatinny top rail round out the package, along with an adjustable folding stock that shrinks the whole rifle down for packing.
A 300 Blackout Bolt Gun Built to Run Quiet
The 300 Blackout cartridge and a bolt action are a natural pairing, especially with subsonic loads and a suppressor. With no gas system venting noise, this thing gets impressively quiet, and the Cherry Bomb muzzle brake on the tapered muzzle doubles as a mount for Q suppressors. Whether you are after hogs and whitetail at practical ranges, ringing steel with subs, or just want the lightest suppressor host in the safe, the Mini Fix 300BLK with the PROOF barrel is a hard combination to beat.
Key Specifications
- Manufacturer: Q LLC
- Model: Mini Fix
- MPN: MINIFIX-300BLK-16IN-CPROOF
- UPC: 810152961636
- Caliber: 300 Blackout (300 BLK)
- Action: Bolt action, 45 degree short throw
- Barrel: 16" PROOF Research carbon fiber tensioned, tapered muzzle
- Muzzle Device: Q Cherry Bomb muzzle brake
- Muzzle Threads: 5/8-24
- Receiver: One piece aluminum, gray finish
- Trigger: Two stage
- Handguard: Free float Q-Sert
- Stock: Adjustable folding stock
- Top Rail: Continuous zero MOA M1913 Picatinny
- Magazine Compatibility: AR-15/M4 pattern magazines
What’s Included
- Q Mini Fix 300BLK rifle with 16" PROOF carbon fiber barrel
- One 10-round AR-15 pattern magazine
- Cherry Bomb muzzle brake (installed)
Frequently Asked Questions
Does the Q Mini Fix 300BLK take standard AR-15 magazines?
Yes. The Mini Fix uses a smaller receiver and bolt assembly than the full size Fix and feeds from standard AR-15/M4 pattern magazines. One 10-round AR-style magazine ships with the rifle, and you can run whatever capacity mags you already own.
What does the PROOF carbon fiber barrel add over the standard Mini Fix?
The PROOF Research carbon fiber tensioned barrel is significantly lighter than a steel barrel of a similar contour and dissipates heat better, so it stays cooler through longer strings. That weight savings sits right where you feel it most, out front, making the rifle noticeably quicker handling. This Proof-equipped model also wears gray accents instead of the standard black.
Is the Mini Fix 300 Blackout a good suppressor host?
It is one of the best. A bolt action has no gas system to vent noise, so paired with subsonic 300 Blackout loads and a good can it gets remarkably quiet. The included Cherry Bomb muzzle brake serves as a taper mount for Q suppressors, and the 5/8-24 threads accept most other muzzle devices and mounts.
What is the Q Mini Fix 300BLK best suited for?
Think of it as a lightweight do-it-all bolt gun. It shines for hog and deer hunting at practical distances, suppressed shooting with subs, and truck or blind duty where a folding stock and low weight matter. The two stage trigger and rigid one piece receiver give it real precision chops for its size too.




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