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Yankee Hill Machine
Overview
The Yankee Hill Machine Co., Inc. Diamond Series Handguard is a 12-inch aluminum handguard designed specifically for AR-15 platforms with a rifle-length gas system. Featuring a Picatinny mounting interface, it allows for easy attachment of accessories and optics, providing a solid and customizable platform for your rifle build. This handguard is frequently utilized in builds that chamber the 5.56 NATO caliber, making it a popular choice among builders looking for reliable performance and versatility.
Yankee Hill Machine Co. Diamond Series Handguard, Rifle ranked #49 of the 243 handguards builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #49 of the 635 handguards builders have added. Builds with this handguard are split between 300 Blackout (50%) and 5.56 NATO (50%), nearly all on pistol-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 6 retailers we track have it in stock. Prices barely moved in August 2026, holding around $163.32, so there haven't been real sales lately. Buying today, the lowest price is $163.32 at GritR Sports, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every handguard by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Handguard Trends →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Yankee Hill Machine Co., Inc. Diamond Series Handguard, Rifle
| Build | Parts | Total |
|---|---|---|
 | 10 | $1467.09 |
 | 23 | $1756.56 |
 | 26 | $2046.92 |
 | 11 | $1462.10 |
 | 10 | $976.15 |
2 global ratings
Top reviews
Yankee Hill Machine Diamond Series handguard in rifle length has the patented diamond cutout pattern for weight reduction. Top and side rails align for accessories. Stays rigid under c-clamp pressure. Aluminum body is anodized consistently.
Yankee Hill Machine Diamond Series rifle length handguard is lightweight thanks to the diamond cutout pattern but stays rigid under c-clamp pressure. Aluminum body is well machined. Black anodize is consistent. Solid rail at a reasonable price.
