Name: Einstein 556K Black (No Mount Included)
Brand: SOS Suppressors
SKU: yp4w8rc

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1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$403.67	Out of stock	58m ago	Go to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

Description

EINSTEIN K – 5.56 / 6MM ARC
Compact. Lightweight. Proven.
The Einstein K is engineered for shooters who demand top-tier suppression in a compact platform. Designed and built in Arizona, this suppressor delivers impressive tone, reduced backpressure, and exceptional handling without the bulk. Made from 17-4 hardened stainless steel with full-penetration welded construction, it’s finished in high-temp Cerakote®.
The Einstein K represents the science of simplicity — purpose-built design refined through data and testing to deliver real-world performance, not gimmicks. It’s the perfect balance of size, sound, and durability.
Key Details:
Caliber: 5.56 / 6MM ARC
Overall Length: 5.25″
Weight: 9 oz
Material: 17-4 Hardened Stainless Steel
Weld Type: Full-Penetration Welded
Finish: C-Series or V-Series High-Temp Cerakote®
Mount: HUB Threads, No Adapter Included
Full-Auto Rated: TRUE Full-Auto Rated & Tested
Made In: Arizona
MSRP: $519.99

Lowest price across connected retailers, from every price check we've recorded.

One price check so far ($403.67 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$403.67	Out of stock