Yankee Hill Machine AR-15 Dust Cover Assembly - Marked .300 Blackout
Click to see full view
Yankee Hill Machine
Overview
The Yankee Hill Machine AR-15 Dust Cover Assembly is a steel construction component designed to keep your firearm clean and functioning by protecting the ejection port from debris and contaminants. This particular model is engraved with ".300 Blackout," allowing for easy identification of your caliber during builds. It is commonly found in pistol-configured AR-15 builds that utilize the .300 Blackout caliber, making it a practical addition for those focused on this specific setup.
Specifications
Yankee Hill Machine AR-15 Dust Cover Assembly - Marked .300 Blackout
Available Merchants(7)
Prices checked
Price Alert
October 2026 on GunPartPicker
Yankee Hill Machine AR-15 Dust Cover Assembly - Marked .300 Blackout ranked #27 of the 65 dust covers builders added on GunPartPicker in October 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #44 of the 125 dust covers builders have added. Builds with this dust cover are split between 300 Blackout (57%) and 5.56 NATO (29%), mostly on pistol-length gas (78%, then mid-length 11%), and mostly AR-15 (90%, then AR-10 10%).
Availability is good: it was in stock at one retailer or another nearly every day in October 2026, and today 6 of the 7 retailers we track have it in stock. The best price crept up from $12.25 to $13.75 over October 2026. Buying today, the lowest price is $13.75 at BattleHawk Armory, above October's low of $11.91, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which dust cover to pick?
We ranked every dust cover by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Dust Cover Guide →Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
Ballistic Advantage 16" 5.56 HBAR Profile Midlength AR-15 Barrel Modern Series 1:7 Twist
Aero Precision Gas Tube, Pistol Length - Stainless Steel
Strike Industries Collar Adjustable Gas Block
Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Yankee Hill Machine Ar-15 Dust Cover Assembly - Marked .300 Blackout
| Build | Parts | Total |
|---|---|---|
 | 20 | $2552.77 |
 | 15 | $2396.81 |
 | 18 | $1418.43 |
 | 23 | $2410.53 |
No reviews yet. Be the first to review this product!