• 833-496-6401
  • Help Center
  • My Account
  • Contact Us
  • Shipping Info
  • Giveaway
Davidson Defense INC.home
  • Login
  • Register
Shopping Cart (0)
0 Items
  • DEAL ZONE
    • Blem Sale
    • Aegis
    • Drop In Triggers
    • Sentinel Series
    • True Grit Series
    • Brawler Series
    • Stiletto Slides
    • White Slides
  • Shop All
    • AR-15 / AR-10 Parts and Accessories
    • Handgun Kits, Parts, & Accessories
    • Magazines
    • Sights and Optics
    • Outdoor & Survival Gear
    • Body Armor
    • Shooting Gear
    • Gunsmithing Tools
    • Combos
  • Firearms
    • AK Rifles & Pistols
    • AR Rifles & Pistols
    • Handguns
    • Rifles
    • Shotguns
    • Firearm Bundles
    • Stripped Lower Receivers
  • AR-15 & AR-10 Build Kits
    • Full Build Kits (Everything Minus Lower)
    • Complete Upper Build Kits
    • Upper Build Kits
    • Lower Build Kits
    • Finish Your Build Kit
    • Upper Builds Under $199.99
    • FRT Lower Build Kits
    • Side Charging Upper Receiver Builds
    • Receiver Sets
    • Builder Sets
    • ELITE AR-15 Upper & Lower Build Kits
    • Operator Upper Build Kits
    • FRT Lower Build Kits
    • Ambidextrous Lower Build Kits
  • Handgun Kits & Parts
    • Competition Slides
    • Duty Slides
    • Glock 17 Gen 1-3 Compatible
    • Glock 17 Gen 4 Compatible
    • Glock 19 Gen 1-3 Compatible
    • Glock 19 Gen 4 & 5 Compatible
    • Glock 34 Compatible
    • Glock 43 Compatible
    • Mercury Precision Competitor Line
    • Mercury Precision Complete Line
    • Pistol Optics
    • SIG Sauer P320 Compatible
  • Gun Parts
  • Suppressors
    • Suppressors
    • Suppressor Firearms
    • North Reach Suppressors
  • Brands
    • 0-9
    • A
    • B
    • C
    • D
    • E
    • F
    • G
    • H
    • J
    • K
    • L
    • M
    • N
    • O
    • P
    • R
    • S
    • T
    • U
    • W
    • Y
  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Builds by Caliber
  4. .300 Blackout AR-15 Upper Builds

.300 Blackout AR-15 Upper Builds



Top Sellers

Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$184.99 Original price $139.99
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
$159.99 Original price $119.99
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
$249.99 Original price $189.99
Davidson Defense Shadow Skirmisher 10.5-inch AR-15 .300 BLK Pistol Upper Build Kit
Davidson Defense Shadow Skirmisher 10.5-inch AR-15 .300 BLK Pistol Upper Build Kit
$179.99 Original price $139.99
Davidson Defense Ormal 16-inch AR-15 .300 BLK Rifle Upper Build Kit
Davidson Defense Ormal 16-inch AR-15 .300 BLK Rifle Upper Build Kit
$189.99 Original price $144.99
Davidson Defense Poker Ace 10.5-inch AR-15 .300 BLK Pistol Complete Upper
Davidson Defense Poker Ace 10.5-inch AR-15 .300 BLK Pistol Complete Upper
$269.99 Original price $204.99
Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Shadow Skirmisher w/Gauntlet Arms Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$324.99 Original price $244.99
Davidson Defense Aegis Lightweight 16-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Aegis Lightweight 16-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$264.99 Original price $199.99
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
$189.99 Original price $144.99
Davidson Defense 'Flopzoom' 7.5
Davidson Defense 'Flopzoom' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Full Build Kit
$349.99 Original price $259.99
Davidson Defense Aegis Lightweight 8.5-inch Pistol-Gas 1:9 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Aegis Lightweight 8.5-inch Pistol-Gas 1:9 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$259.99 Original price $194.99
Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
Davidson Defense Poker Ace w/SBM4 Brace 10.5-inch AR-15 .300 BLK Pistol Full Build Kit
$369.99 Original price $279.99

New Releases

BCM® Stock Mod 0, SOPMOD, Flat Dark Earth
BCM® Stock Mod 0, SOPMOD, Flat Dark Earth
$76.99 Original price $57.99
Gas Plug Detent Button - Melonited
Gas Plug Detent Button - Melonited
$0.99
Hand Guard Cap - Round
Hand Guard Cap - Round
$2.99 Original price $1.99
Mag Release, Bolt Catch, Ejector, and Two Roll Pins for 9MM 80% Lower
Mag Release, Bolt Catch, Ejector, and Two Roll Pins for 9MM 80% Lower
$1.99
.300 Blackout AR-15 Upper Builds subcategories
  • 80% Upper Build Kits > .300 Blackout
  • AR-15 Full Build Kits (Everything Minus Lower) > .300 Blackout
  • AR-15 Complete Upper Build Kits > .300 Blackout
  • AR-15 Upper Build Kits > .300 Blackout

Products [154]

Sort by:
1 2 3 4 5 6 7 Next Page View AllView All
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Upper Build Kit
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Upper Build Kit
$219.99 $164.99 Sale
In Stock.
Select Options
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
$299.99 $229.99 Sale
In Stock.
Select Options
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Full Build Kit
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Full Build Kit
$369.99 $279.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
$189.99 $144.99 Sale
In Stock.
Select Options
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$184.99 $139.99 Sale
In Stock.
Select Options
Davidson Defense 'Warpick w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$414.99 $314.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Warpick w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$354.99 $264.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Warpick w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$329.99 $249.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Warpick w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Warpick w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$364.99 $274.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$169.99 $124.99 Sale
In Stock.
Select Options
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
$249.99 $189.99 Sale
In Stock.
Select Options
Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$334.99 $254.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$399.99 $299.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
$269.99 $199.99 Sale
In Stock.
Select Options
Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$309.99 $234.99 Sale
In Stock.
Select Options
Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$349.99 $264.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense Aegis 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$174.99 $129.99 Sale
In Stock.
Select Options
Davidson Defense Aegis 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Aegis 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$254.99 $194.99 Sale
In Stock.
Select Options
Davidson Defense Aegis w/Gauntlet Arms Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/Gauntlet Arms Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$319.99 $239.99 Sale
In Stock.
Select Options
Davidson Defense Aegis w/KAK Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/KAK Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$339.99 $254.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense Aegis w/SBA3 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBA3 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$404.99 $304.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense Aegis w/SBM4 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBM4 Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$354.99 $269.99 Sale
In Stock. Free Shipping.
Select Options
Davidson Defense The Rattler 6-inch AR-15 .300 BLK Pistol Upper Build Kit
Davidson Defense The Rattler 6-inch AR-15 .300 BLK Pistol Upper Build Kit
$174.99 $134.99 Sale
In Stock.
Select Options
Davidson Defense The Rattler 6-inch AR-15 .300 BLK Pistol Complete Upper
Davidson Defense The Rattler 6-inch AR-15 .300 BLK Pistol Complete Upper
$259.99 $194.99 Sale
In Stock.
Select Options
pagination
1 2 3 4 5 6 7 Next Page View AllView All
Pages
  • Contact Us
  • Warranty, Returns & Terms
  • Shipping Restrictions
  • FAQ
  • About Us
  • Privacy Policy
  • Do Not Sell My Personal Information
  • Polymer80 Statement
  • FFL Locator

©Copyright Davidson Defense INC. All Rights Reserved.

782 S Auto Mall Dr American Fork UT 84003
United States Of America
833-496-6401

Menu Links

Categories

Logo