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Featured Products
FrameSmith
.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)
$149.99
FrameSmith
308 80% Lower – Billet
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FrameSmith
5/16" High Speed End Mill for Easy Jig® Gen 2
$39.99
FrameSmith
80% .308 Easy Jig® Gen 1
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FrameSmith
80% AR-15 Easy Jig® Gen 1
$149.99
FrameSmith
80% Lower Fire/Safe Marked – Anodized Black
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Polymer80
80% Lower Fire/Safe Marked – Raw
$42.99
FrameSmith
80% Lower Patriot Pack
$222.99
The full collection
All Products (104)
FrameSmith
.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)
$149.99
FrameSmith
308 80% Lower – Billet
View Details →
FrameSmith
5/16" High Speed End Mill for Easy Jig® Gen 2
$39.99
FrameSmith
80% .308 Easy Jig® Gen 1
View Details →
FrameSmith
80% AR-15 Easy Jig® Gen 1
$149.99
FrameSmith
80% Lower Fire/Safe Marked – Anodized Black
View Details →
Polymer80
80% Lower Fire/Safe Marked – Raw
$42.99
FrameSmith
80% Lower Patriot Pack
$222.99
FrameSmith
Polymer80 RL556V3™ and PF940Cv1™ Bundle – 80% Lower Receiver with Jig, AR15, and 80% Compact Frame with Jig, G19/23 Compatible (Black Only)
$224.99
Polymer80
AR9 80% Lower Fire/Safe Marked – 9mm – Billet
$84.99
FrameSmith
Billet 80% Lower (Raw)
$79.99
Polymer80
Blemished – 80% Lower Fire/Safe Marked – Anodized Black
$49.99
Field guides & reviews
From the Journal
AR-15 80% Lower Receiver Jig & Tool Compatibility: The Complete Guide
Precision Tested: The Best Drill Bits for Polymer 80% Lower Milling
How to Check 80% Lower Receiver Buffer Tube Threads with Machinist-Grade Precision
How to Check Polymer80 Frame Rail Depth Consistency: A Measurement Protocol for Reliable Function
The FrameSmith Standard
Built by builders, tested by Garrett Vance.
Precise, methodical, speaks only when there's measurable advantage to share
Certified Glock Armorer (Glock Professional, 2016) · Lead Machinist, Apex Custom Firearms (2013-2020)