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TL Trigger Logic
Curated by Marcus Thorne · Head of Testing

Trigger Logic.

Precision-engineered fire control components for uncompromising builders

Technical, no-nonsense, speaks directly to experienced firearms enthusiasts

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Featured Products

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.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)
Polymer80

.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)

View Details → ★ 4.4
308 80% Lower – Billet
Trigger Logic

308 80% Lower – Billet

View Details → ★ 3.7
5/16″ High Speed End Mill for Easy Jig® Gen 2
Trigger Logic

5/16″ High Speed End Mill for Easy Jig® Gen 2

View Details → ★ 4.3
80% .308 Easy Jig® Gen 1
Polymer80

80% .308 Easy Jig® Gen 1

View Details → ★ 4.8
80% AR-15 Easy Jig® Gen 1
Trigger Logic

80% AR-15 Easy Jig® Gen 1

View Details → ★ 4.3
80% Lower Fire/Safe Marked – Anodized Black
Trigger Logic

80% Lower Fire/Safe Marked – Anodized Black

View Details → ★ 4.3
80% Lower Fire/Safe Marked – Raw
Trigger Logic

80% Lower Fire/Safe Marked – Raw

View Details → ★ 4.3
80% Lower Patriot Pack
Trigger Logic

80% Lower Patriot Pack

View Details → ★ 4.4
Browse by Type

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80 Percent Lower

6 products

POLYMER80 PF940V2

4 products

80 Percent Lower Jig

3 products

Ar 15 Lower Jig

3 products

POLYMER80 PF940C

3 products

POLYMER80 PF940CV1

3 products

POLYMER80 PF940SC

3 products

POLYMER80 PF9SS

3 products
The full collection

All Products (105)

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.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)
Polymer80

.308 80% Lower and LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)

View Details → ★ 4.4
308 80% Lower – Billet
Trigger Logic

308 80% Lower – Billet

View Details → ★ 3.7
5/16″ High Speed End Mill for Easy Jig® Gen 2
Trigger Logic

5/16″ High Speed End Mill for Easy Jig® Gen 2

View Details → ★ 4.3
80% .308 Easy Jig® Gen 1
Polymer80

80% .308 Easy Jig® Gen 1

View Details → ★ 4.8
80% AR-15 Easy Jig® Gen 1
Trigger Logic

80% AR-15 Easy Jig® Gen 1

View Details → ★ 4.3
80% Lower Fire/Safe Marked – Anodized Black
Trigger Logic

80% Lower Fire/Safe Marked – Anodized Black

View Details → ★ 4.3
80% Lower Fire/Safe Marked – Raw
Trigger Logic

80% Lower Fire/Safe Marked – Raw

View Details → ★ 4.3
80% Lower Patriot Pack
Trigger Logic

80% Lower Patriot Pack

View Details → ★ 4.4
Polymer80 RL556V3™ and PF940Cv1™ Bundle – 80% Lower Receiver with Jig, AR15, and 80% Compact Frame with Jig, G19/23 Compatible (Black Only)
Polymer80

Polymer80 RL556V3™ and PF940Cv1™ Bundle – 80% Lower Receiver with Jig, AR15, and 80% Compact Frame with Jig, G19/23 Compatible (Black Only)

View Details → ★ 3.7
AR9 80% Lower Fire/Safe Marked – 9mm – Billet
Polymer80

AR9 80% Lower Fire/Safe Marked – 9mm – Billet

View Details → ★ 4.3
Billet 80% Lower (Raw) - AR-15 & AR-308 – No FFL
Trigger Logic

Billet 80% Lower (Raw) - AR-15 & AR-308 – No FFL

View Details → ★ 4.3
Blemished – 80% Lower Fire/Safe Marked – Anodized Black
Trigger Logic

Blemished – 80% Lower Fire/Safe Marked – Anodized Black

View Details → ★ 4.3
Field guides & reviews

From the Journal

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GuideBy Marcus Thorne

The Complete Guide to 80% Lower Jig Rental Programs: Trigger Logic Compatibility and Precision Execution
By Marcus Thorne

80% Lower Receiver Jig Alignment Pin Specifications: Why Military Armorers Measure Twice
By Marcus Thorne

Getting Your Jig Right: Arc Firetrigger 80% Polymer Lower Receiver Jig Compatibility for Professional-Grade Results
By Marcus Thorne

ARC Firetrigger Ambidextrous Magazine Release Install Tutorial: A Marine Armorer's Step-by-Step Guide
The Trigger Logic Standard

Built by builders, tested by Marcus Thorne.

Technical, no-nonsense, speaks directly to experienced firearms enthusiasts

USMC Small Arms Repair Technician Certification (2012) · BS Mechanical Engineering, Texas A&M 2016

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