The Radical Firearms 10.5" HBAR 300BLK AR Pistol uses MIL-STD Upper and lower receivers along with our 10" FQR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. Regardless if it’s your first or fiftieth, a Radical Firearms AR pistol will not disappoint! SKU: FP10.5-300HBAR-10FQR UPC: 814034025232 MFR#: RF00150 Barrel Length: 10.5 Barrel Material: 4140 Chrome Moly Vanadium Barrel Finish : Melonite Barrel Profile: Hbar Barrel Thread Pitch: 5/8×24 Chamber: 300BLK Twist Rate: 1:8 Barrel Extension: M4 Feed Ramps Gas System: Pistol Length Gas Block Type: .750 Low Profile Gas Block Muzzle Device: A2 Flash Hider Upper Receiver Material: Forged 7075 T6 Upper Receiver Style: M4 MIL-STD Upper Receiver Finish: Type III Anodizing Forward Assist: Yes Dust Cover: Yes Handguard Type: Free Float Handguard Style: Quad Picatinny Rail Handguard Length: 10" Charging Handle: MIL-STD Lower Receiver: Forged 7075 T6 Lower Receiver Finish: Type III Anodizing Safety: Dimpled Billet Ambidextrous Selector Fire Control Group: MIL-STD Buffer Tube: Pistol Tube Magazine: 5.56 30 Round
Specifications
- SKU: FP10.5-300HBAR-10FQR
- Category: AR-15 Pistols / .300 Blackout
- Brand: Radical Firearms
- Origin: Stafford, Texas, USA
Why Radical Firearms
Every barrel, upper, and rifle leaving Stafford is built on equipment Radical Firearms owns — not outsourced. Button-rifled CMV barrels, nitride-treated bolts, forged 7075-T6 receivers, and Melonite-coated gas blocks. The same parts we run on our own rifles, sold direct without the price creep of a three-tier distribution chain.
Ships Nationwide
This product ships direct from our Texas facility to any FFL dealer in all 50 states. NFA items (suppressors, SBRs) require Form 4 processing through the transferring dealer.
FFL Transfer & Firearms Laws for 10.5" 300BLK with 10" FQR
All firearms, including the 10.5" 300BLK with 10" FQR, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the 10.5" 300BLK with 10" FQR is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy 10.5" 300BLK with 10" FQR from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy 10.5" 300BLK with 10" FQR?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is 10.5" 300BLK with 10" FQR available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: .300 Blackout, AR-15 Pistols.
What tags or features does this product have?
Key features and tags for this product include: 1980, Radical Firearms.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
| Brand | Radical Firearms |
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FFL Transfer & Firearms Laws
All firearms, including the 10.5" 300BLK with 10" FQR, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the 10.5" 300BLK with 10" FQR is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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