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ERATHR3 “Grunt” Upper Receiver w/ Forward Assist
Custom Cerakote in “Noveske Bazooka Green”
14" Full Top Rail Handguard
M-Lok Mounting Provisions @ 3, 6, & 9 O'Clock
16" Proof Research Barrel
416R Stainless Blank
Single-Point Cut Rifling w/ CNC Chamber 
Extended Feed Ramps
Available in 5.56mm
1:7" Twist 
Mid Length Gas System
Build Components
Enhanced Bolt Carrier Group
Properly Headspaced JP Enhanced Bolt
Lo-pro .750 Gas Block w/ 2 Screws
Mil-Spec Gas Tube
PRi Gas Buster Charging Handle
Lightweight Port Door & Rod
MBUS Pro Sights
SilencerCo TriFecta Flash Hider 
ERATHR3 “Grunt” Lower Receiver
Custom Cerakote in “Noveske Bazooka Green” 
Flared Magwell & Solid Trigger Guard
Geissele SSA Trigger
AXTS Talon Ambidextrous Selector
Magpul PRS Stock/MIAD Grip (FDE)
A2 Buffer Tube w/ Rifle Buffer
Ultra-Lightweight Takedown Pins

E3 Accuracy Guarantee: Whether you are shooting steel, providing for the family, or hunting bad guys, we are here to support your efforts, and provide you the competitive edge required to prevail with a "Match Grade Rifle”. To achieve the expected level of accuracy, every unit is hand-crafted with extreme attention to detail in its fit, form, and function. Building an E3 rifle starts with a match grade barrel, chamber… and so on. We can guarantee the quality of our products and stand behind trusted suppliers to do the same, however we cannot guarantee the skill level of every shooter, quality of sub-par ammunition, and/or choice of optics & aftermarket accessories. Every rifle is tried, tested, and proven with "Black Hills Match" ammunition prior to delivery. This doesn't mean that our rifles won’t run with various types of ammunition, including custom loads or hunting grade products, it's just simply no guarantee that they will. Rifles, just like your favorite pair of pants, have a lifespan. Even with easy use, and great care, things break, wear-out, etc. We stand behind our goods, and will support them to the end. However, we also expect that you understand the definition of “normal wear and tear”. We highly recommend the training component to all of our customers, and follow the same advice ourselves. Being good at one’s craft takes good equipment, hard work, and dedication.

Availability: Out of stock

Manufacturer: EraThr3
$3,250.00
$2,750.00
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ERATHR3 “Grunt” Upper Receiver w/ Forward Assist
Custom Cerakote in “Noveske Bazooka Green”
14" Full Top Rail Handguard
M-Lok Mounting Provisions @ 3, 6, & 9 O'Clock
16" Proof Research Barrel
416R Stainless Blank
Single-Point Cut Rifling w/ CNC Chamber 
Extended Feed Ramps
Available in 5.56mm
1:7" Twist 
Mid Length Gas System
Build Components
Enhanced Bolt Carrier Group
Properly Headspaced JP Enhanced Bolt
Lo-pro .750 Gas Block w/ 2 Screws
Mil-Spec Gas Tube
PRi Gas Buster Charging Handle
Lightweight Port Door & Rod
MBUS Pro Sights
SilencerCo TriFecta Flash Hider 
ERATHR3 “Grunt” Lower Receiver
Custom Cerakote in “Noveske Bazooka Green” 
Flared Magwell & Solid Trigger Guard
Geissele SSA Trigger
AXTS Talon Ambidextrous Selector
Magpul PRS Stock/MIAD Grip (FDE)
A2 Buffer Tube w/ Rifle Buffer
Ultra-Lightweight Takedown Pins

Products specifications
Caliber .223 / 5.56
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Products specifications
Caliber .223 / 5.56