Rugged Suppressors OBSIDIAN9 3 Lug Adapter 1/2x28
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Goes to a Class 3 dealer
Needs an ATF Form 4, a $200 tax stamp and an approval wait. The dealer's fee is on top.
Rugged Suppressors
Overview
The Rugged Suppressors Obsidian9 3 Lug Adapter is designed for 9mm caliber firearms, providing a reliable method for attaching suppressors to your weapon system. The tri-lug mounting type ensures quick and secure attachment, allowing for easy transitions between suppressed and unsuppressed firing. This adapter is commonly used in builds that prioritize compactness and rapid deployment, making it suitable for submachine guns and short-barreled rifles.
Specifications
Rugged Suppressors OBSIDIAN9 3 Lug Adapter 1/2x28
Available Merchants(4)
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August 2026 on GunPartPicker
Rugged Suppressors OBSIDIAN9 3 Lug Adapter 1/2x28 ranked #33 of the 179 suppressors builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #57 of the 385 suppressors builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 4 retailers we track have it in stock. Prices barely moved in August 2026, holding around $68, so there haven't been real sales lately. Buying today, the lowest price is $68 at Classic Firearms, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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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 1 →Builds in the community that include the Rugged Suppressors Obsidian9 3 Lug Adapter 1/2x28
| Build | Parts | Total |
|---|---|---|
 | 25 | $2155.49 |
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