Tacfire PK300LPK10 AR 300 AAC Blackout Pistol Build KIT With Lower Parts KIT 10.5 Black Parkerized Barrel

TacFire Tacfire PK300LPK10 AR 300 AAC Blackout Pistol Build KIT With Lower Parts KIT 10.5 Black Parkerized Barrel
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This is a serialized firearm.

TacFire

Overview

The Tacfire PK300LPK10 AR 300 AAC Blackout Pistol Build KIT With Lower Parts KIT 10.5 Black Parkerized Barrel is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPNPK300LPK10
PlatformAR-15
Caliber300 Blackout
Gas System LengthPistol
Thread Pitch5/8x24
Barrel Length10.0
Action TypeSemi-Auto
Twist Rate1:8
ColorBlack

Available Merchants(4)

Prices checked

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Classic Firearms logo
Classic Firearms
Shipping varies
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In Stock
$348
Optics Planet logo
Optics Planet
Free shipping
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In Stock
$350
BattleHawk Armory logo
BattleHawk Armory
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Out of Stock
$308
Palmetto State Armory logo
Palmetto State Armory
Free shipping
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Out of Stock
$437

Price and stock

The Tacfire PK300LPK10 AR 300 AAC Blackout Pistol Build KIT With Lower Parts KIT 10.5 Black Parkerized Barrel was in stock most days in August 2026, and today 2 of the 4 retailers we track have it in stock. The best price crept up from $308.05 to $347.70 over August 2026. Buying today, the lowest price is $347.70 at Classic Firearms, above August's low of $308.05, so a better deal may come back.

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