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Kriss
Overview
The Kriss USA Defiance AR-15 Flip Up Front Sight is a folding front sight crafted from durable steel, designed to provide a reliable aiming point without adding unnecessary bulk to your build. Its non-illuminated design ensures clarity in various lighting conditions, while the folding feature allows for a streamlined profile when not in use. This front sight is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it a practical choice for those seeking versatility and functionality.
Prices checked
Kriss USA Defiance AR-15 Flip Up Front Sight - Steel was the sixth most added front sight on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it is the sixth most added front sight on the site. Builds with this front sight are mostly chambered in 5.56 NATO (81%, then .223 Wylde 10%), split between mid-length (55%) and carbine-length (28%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 6 retailers we track have it in stock. It dipped to $44.84 at KY Gun Company for a stretch in October 2026, well under its usual $53.99, so sales do come around. Buying today, the lowest price is $44.84 at KY Gun Company, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every front sight by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Front Sight Guide →The part most often added in each category by the builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Kriss Usa Defiance Ar-15 Flip Up Front Sight - Steel
| Build | Parts | Total |
|---|---|---|
![]() | 30 | $6967.18 |
![]() | 31 | $2838.76 |
![]() | 33 | $2850.76 |
![]() | 22 | $1799.75 |
![]() | 31 | $3554.73 |
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