Rugged Suppressors OBSIDIAN9 3 Lug Adapter 1/2x28

Rugged Suppressors Obsidian9 3 Lug Adapter 1/2x28 - Suppressor - view 1
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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

MPNOA003
Caliber9mm
Mount TypeTri-Lug

Available Merchants(4)

Prices checked

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Classic Firearms logo
Classic Firearms
Shipping varies
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In Stock
$68
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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$68
KY Gun Company logo
KY Gun Company
Flat rate shipping
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$68
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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In Stock
$69

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.

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Frequently Built With

The part most often added in each category by the 8 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

90%
AR-1590%
AR-108.2%
AR-91.7%

Caliber

74%
5.56 NATO74%
300 Blackout11.9%
.308 Win6.1%
.223 Wylde2.9%
6mm ARC1.3%
Other3.7%

Gas System

42.7%
Mid-Length42.7%
Carbine34.4%
Pistol11%
Rifle10.6%
Blowback0.9%
Other0.5%

Builds Featuring This Part

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Builds in the community that include the Rugged Suppressors Obsidian9 3 Lug Adapter 1/2x28

BuildPartsTotal
12.5" Aero Precision clone build
12.5" Aero Precision clone
25$2155.49

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