great lakes firearms logo
  • Shop
  • About
  • Services
    • Engraved Guns
    • Light Gunsmithing
    • Ultrasonic Gun Cleaning
  • Contact
$0.00 0 Cart
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
  • NFA/Supressor
great lakes firearms logo
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
  • NFA/Supressor
$0.00 0 Cart
Click to enlarge
Home Class 3 Firearms, NFA & Destructive Devices Silencers & Suppressed Firearms Dead Air Sierra 5 Suppressor 5.56mm w/KeyMo ADPT & 1/2-28 KeyMo FH Black
Dead Air Sierra 5 Suppressor 5.56mm w/Xeno ADPT & 1/2-28 Xeno FH Black
Dead Air Sierra 5 Suppressor 5.56mm w/Xeno ADPT & 1/2-28 Xeno FH Black $749.00
Back to products
Covert Optics ThermX HS1 Thermal Black
Covert Optics ThermX HS1 Thermal Black $977.00

Dead Air Sierra 5 Suppressor 5.56mm w/KeyMo ADPT & 1/2-28 KeyMo FH Black

$839.00

Dead Air Sierra 5 Suppressor 5.56mm w/KeyMo ADPT & 1/2-28 KeyMo FH Black

1 in stock

Purchase & earn 839 points!
Compare
Add to wishlist
SKU: KIN|1212107 Category: Silencers & Suppressed Firearms
Share:
  • Description
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Description

The Dead Air Sierra 5 Suppressor with KeyMo adapter is engineered for professional-grade performance on 5.56 platforms, offering superior sound and flash suppression in a durable, compact design. Built with welded Cobalt 6 baffles and a stainless steel outer tube, it ensures exceptional strength and reliability for heavy firing schedules. Fully HUB compatible, it ships with a 1/2-28 KeyMo flash hider and adapter for secure and modular mounting. Featuring interchangeable R-Series front caps and a knurled outer tube for improved handling, the Sierra 5 is a versatile and rugged solution for demanding shooters.

Additional information
UPC

810042342637

Manufacturer

Dead Air Silencers

Manufacturer Part Number

SIERRA5KM

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Dead Air Sierra 5 Suppressor 5.56mm w/KeyMo ADPT & 1/2-28 KeyMo FH Black” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Compare

DEAD AIR ARMAMENT NOMAX 33 .33CAL SLNCR BLK

Silencers & Suppressed Firearms
$1,199.00
DEAD AIR ARMAMENT NOMAX 33 .33CAL SLNCR BLK
Add to wishlist
Purchase & earn 1,199 points!Add to cart
Quick view
Compare

DEAD AIR MOJAVE 9 FDE MODULAR 9MM SLNCR W/ 1/2-28 PSTN

Silencers & Suppressed Firearms
$1,029.00
DEAD AIR MOJAVE 9 FDE MODULAR 9MM SLNCR W/ 1/2-28 PSTN
Add to wishlist
Purchase & earn 1,029 points!Add to cart
Quick view
Compare

ENERGETIC ARMAMENT EA18 SONUS 9 SUPPRESSOR 9MM 1/2″X28 BLACK

Silencers & Suppressed Firearms
$794.00
ENERGETIC ARMAMENT EA18 SONUS 9 SUPPRESSOR 9MM 1/2"X28 BLACK
Add to wishlist
Purchase & earn 794 points!Add to cart
Quick view
Sold out
Compare

Huxwrx FLOW 22 Ti – Black

Silencers & Suppressed Firearms
$399.00
Huxwrx FLOW 22 Ti - Black
Add to wishlist
Purchase & earn 399 points!Read more
Quick view
Compare

Huxwrx FLOW 6K + Flash Hider – Black

Silencers & Suppressed Firearms
$1,099.00
Huxwrx FLOW 6K + Flash Hider - Black
Add to wishlist
Purchase & earn 1,099 points!Add to cart
Quick view
Compare

Huxwrx VENTUM 556 – Black

Silencers & Suppressed Firearms
$799.00
Huxwrx VENTUM 556 - Black
Add to wishlist
Purchase & earn 799 points!Add to cart
Quick view
Compare

SAVAGE AC350 ACCUCAN 350 LEGEND SUPPRESSOR

Silencers & Suppressed Firearms
$774.00
SAVAGE AC350 ACCUCAN 350 LEGEND SUPPRESSOR
Add to wishlist
Purchase & earn 774 points!Add to cart
Quick view
Compare

SILENCERCO VELOS LBP 5.56 SILENCER W/ASR

Silencers & Suppressed Firearms
$997.90
SILENCERCO VELOS LBP 5.56 SILENCER W/ASR
Add to wishlist
Purchase & earn 998 points!Add to cart
Quick view

    At Great Lakes Firearms of Porter, Indiana, our mission is to provide our customers with the finest firearms and ammunition available, while promoting responsible gun ownership and safety.

    Quick Links

    • About
    • Service
    • Shop
    • Blog
    • Contact

    Useful Link

    • Privacy Policy
    • Term Of Use
    • Returns Policy
    • Reviews

    Great Lakes Firearms

    • (219) 617-6679
    • 1355 Dune Meadows Dr,
      Porter, Indiana 46304

    Newsletter

    Copyright 2025, Great Lakes Firearms | All Rights Reserved.

    Shopping cart
    Close
    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account