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TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5″ Barrel

~~$362.99~~ $326.69

When you are ready to build an AR for yourself, trust the TacFire AR-300 Unassembled Pistol Build Kit lower receiver. Made with durable steel and aluminum parts, this is chambered in .300 AAC Blackout with a 10.5-inch barrel for optimum power. Get the best AR deals online from GrabAGun today!

SKU: GAG_PK300LPK10-104739 Categories: RIFLES, Uppers Tags: RIFLES, Uppers

Description

AR-300 Unassembled Pistol Build Kit Features

TacFire’s AR-300 Unassembled pistol build kit includes a black parkerized barrel with a 1:8 twist rate, 5/8×24 spiral fluted Krink style forwarder muzzle device; a Slim M-Lok free-float handguard; 7075-T6 billet aluminum stripped upper; 5.56 bolt carrier group; Mil-Spec charging handle, dust cover, forward assist, heavy buffer, pistol length gas tube, low profile gas block; complete pistol buffer tube, A2 pistol grip, and lower parts kits all made in the USA. This model has a 10.5″ barrel and 10″ handguard.

AR-300 Unassembled Pistol Build Kit Specifications

BRAND: Tacfire
MODEL: AR
TYPE: Build Kits
COMPATIBLE MAKE: AR-Style
MATERIAL: Steel/Aluminum
FINISH: Black Parkerized
Caliber: .300 AAC Blackout
Length: 10.5

More Information
Barrel Length	10.5
Caliber	.300 AAC Blackout
Condition	New in Box
Finish Per Color	Black
Manufacturer	TacFire
Manufacturer Part Number	PK300LPK10
Model	AR-300 Unassembled Pistol Build Kit
Type	Uppers
UPC	811261029040

FFL Transfer & Firearms Laws for TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel

All firearms, including the TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel, 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 TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel 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.

FFL & Firearm Laws
FFL Transfer & Firearms Laws

All firearms, including the TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel, 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
1. Place your order online.
2. Send us your preferred local FFL dealer info.
3. We ship the firearm to your FFL after verification.
4. 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 TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel 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.

Frequently Asked Questions About Buying TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel Online

Can you buy guns like TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel online?

Yes, you can buy firearms like the TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5" Barrel online through licensed gun stores like Miami Shooters Supply. We ship to your local FFL dealer for pickup in compliance with all federal laws.

How do I legally buy a gun online?

To buy a gun online, choose your firearm, add it to cart, and at checkout, provide an FFL dealer's info. We'll ship it there, and you complete a background check before pickup. This applies to all categories like: RIFLES, Uppers.

Is it safe to buy guns online?

Absolutely. When you buy from a licensed dealer like Miami Shooters Supply, your purchase is secure, legal, and shipped through proper FFL channels. We offer new and used guns, including models like Glock, AR-15, Glock 19, and more.

Where is the best place to buy guns online?

Miami Shooters Supply offers competitive prices, fast shipping, and a wide selection of handguns, rifles, and used guns online. Compared to marketplaces like GunBroker, we provide direct service and support.

Do you sell cheap guns online?

Yes, we carry affordable firearms and used guns from top brands. Browse by category or tag: RIFLES, Uppers, or check out popular models like Glock 19 and AR-15s at competitive prices.

What is required to buy a gun online in my state?

All firearms purchases must be shipped to an FFL dealer. State and local laws vary. Please check your state regulations or contact us for help finding an FFL dealer near you.

TacFire AR-300 Unassembled Pistol Build Kit .300 AAC Blackout 10.5″ Barrel

AR-300 Unassembled Pistol Build Kit Features

AR-300 Unassembled Pistol Build Kit Specifications