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Michigan LICENSED FFL DEALER

Michigan Gun Shop — Handguns, AR-15 Parts & Polymer80

Licensed Michigan FFL dealer. Glock, Smith & Wesson, Sig, Polymer80 frames. Shipped from Grand Rapids.

AMMUNITION & ACCESSORIES

Ammo, Optics & Parts — Shipped From Grand Rapids

9mm, .223/5.56, .308, 12 gauge, .22 LR. Order before 2 PM CT for same-day dispatch.

AR-15 & TACTICAL

AR-15 Parts & Optics For Your Build

Uppers, lowers, BCGs, triggers, optics from Holosun, Vortex, Sig.



Handguns
Rifles
Shotguns
Ammunition
AR-15 Parts
Optics
Deals

Shop By Brand

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Best Sellers

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Categories:

5/8×24 Full Size Solvent Trap with Monocore

5/8×24 Full Size Solvent Trap with Monocore —
Categories:

Polymer80 LR-308 80% Lower Receiver

Polymer80 LR-308 80% Lower Receiver — 554+ sold.
Categories:

Polymer80 G150 AR15 80% Lower Receiver ONLY

Polymer80 G150 AR15 80% Lower Receiver ONLY —
Categories:

Polymer80 80% Lower Receiver and Jig Kit (LR-308)

Polymer80 80% Lower Receiver and Jig Kit (LR-308)
Categories:

Polymer80 Model PFC9 Pistol

Polymer80 Model PFC9 Pistol — A compact, reliable
Categories:

Polymer80 PFS9 9mm Pistol

Polymer80 PFS9 9mm Pistol — A reliable, customizable
Categories:

POLYMER80 PF940C 40 CAL. PISTOL KIT

POLYMER80 PF940C 40 CAL. PISTOL KIT — A
Categories:

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit
Categories:

Polymer80 Pf940cv1 80% Compact Pistol Frame Kit

Polymer80 Pf940cv1 80% Compact Pistol Frame Kit —
Categories:

Polymer80 80% Compact Frame Pf940c

Polymer80 80% Compact Frame Pf940c — 270+ sold.
Categories:

Od Green Polymer 80 Pfs 9 Pistol Frame

Od Green Polymer 80 Pfs 9 Pistol Frame
Categories:

Gray Polymer 80 Pfs9 Pistol Frame

Gray Polymer 80 Pfs9 Pistol Frame — 650+

Glock Switches & Select-Fire Kits

Authentic Glock auto switches, selector switches and conversion parts. Explore the most requested Michigan inventory — fast shipping, expert support.

Categories:

VEX™ SIX Drop-In Trigger System

The VEX™ 6 is a complete firing system
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VEX™ Limited

Everything you love about the VEX™, in Limited
Categories:

4311™ DROP-IN TRIGGER SYSTEM

**Expect a 1 week delay in shipping** 
Categories:

TIMNEY EXTRA POWER RETURN SPRING UPGRADE

Tired of the sluggish reset of your Timmy
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GLOCK PERFORMANCE TRIGGER VEX SHOE UPGRADE

The Glock performance trigger is a major improvement
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TIMNEY ALPHA GLOCK VEX TRIGGER SHOE UPGRADE

The Timney Alpha Glock competition trigger is an
Categories:

PERFORMANCE ENHANCED STRIKER w/ASSEMBLY

On a Striker Fired system the striker, specifically

Polymer80 Frames, Lowers & Build Kits

Genuine Polymer80 80% pistol frames, AR-15 lower receivers, jig kits and complete builds. PF940, PF45, Rhino RL556 — everything a serious Michigan builder needs.

Categories:

5/8×24 Full Size Solvent Trap with Monocore

5/8×24 Full Size Solvent Trap with Monocore —
Categories:

Polymer80 LR-308 80% Lower Receiver

Polymer80 LR-308 80% Lower Receiver — 554+ sold.
Categories:

Polymer80 G150 AR15 80% Lower Receiver ONLY

Polymer80 G150 AR15 80% Lower Receiver ONLY —
Categories:

Polymer80 80% Lower Receiver and Jig Kit (LR-308)

Polymer80 80% Lower Receiver and Jig Kit (LR-308)
Categories:

Polymer80 Model PFC9 Pistol

Polymer80 Model PFC9 Pistol — A compact, reliable
Categories:

Polymer80 PFS9 9mm Pistol

Polymer80 PFS9 9mm Pistol — A reliable, customizable
Categories:

POLYMER80 PF940C 40 CAL. PISTOL KIT

POLYMER80 PF940C 40 CAL. PISTOL KIT — A
Categories:

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit

★ LIMITED TIME

Deals Of The Week

Hand-picked price cuts refreshed every Monday. Ship from Grand Rapids while supplies last.

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Sale
Categories:

AR9 Right-Side Charging Bufferless Upper Assembly - 5" Parkerized M4 ...

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Ar9 Right Side Charging Bufferless Upper Assembly 5
Original price was: $419.00.Current price is: $369.00.
Sale
Categories:

Bergara BMR-X Carbon 17 HMR Black Carbon Fiber/Green Webbing Bolt ...

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Bergara Bmr X Carbon 17 Hmr Bolt Action
Original price was: $569.00.Current price is: $449.00.
Sale
Categories:

Black Aces Tactical Pro Series Bullpup 18.5" 12 Ga Shotgun Semi-Auto ...

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Black Aces Tactical Pro Series Bullpup Shotguns Semi
Original price was: $379.00.Current price is: $309.00.
Sale
Categories:

Charter Arms Bulldog 44 Special 2 5in Stainless Revolver 5 Rounds

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Charter Arms Bulldog 44 Special 2 5in Stainless
Original price was: $1,279.00.Current price is: $1,019.00.
Sale
Categories:

Charter Arms Pink Lady 38 Special 2in Pink/Black Revolver - 5 Rounds ...

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Charter Arms Pink Lady 38 Special 2in Pink
Original price was: $589.00.Current price is: $479.00.
Sale
Categories:

Charter Arms Pink Lady 38 Special 2in Pink/Black Revolver - 5 Rounds ...

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Charter Arms Chic Lady 38 Special 2in Black
Original price was: $899.00.Current price is: $759.00.
Sale
Categories:

Colt Firearms Cqbp Marine M45 A1 Zinc Brown Ion Bond 45 ACP 5 Barrel 7 Rounds

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Colt Firearms Cqbp Marine M45 A1 Zinc Brown
Original price was: $54.00.Current price is: $39.00.
Sale
Categories:

CZ-USA P-09 C Nocturne 9mm 3.74" 15rd - Black

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CZ P 09 C Nocturne 9mm 3 7
Original price was: $389.00.Current price is: $309.00.

Shop By Caliber

The calibers Michigan shooters actually use — in stock, shipped from Grand Rapids.

Shop By Category

Six core categories covering everything Michigan gun owners buy.

New Arrivals

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Categories:

5/8×24 Full Size Solvent Trap with Monocore

5/8×24 Full Size Solvent Trap with Monocore —
Categories:

Polymer80 LR-308 80% Lower Receiver

Polymer80 LR-308 80% Lower Receiver — 554+ sold.
Categories:

Polymer80 G150 AR15 80% Lower Receiver ONLY

Polymer80 G150 AR15 80% Lower Receiver ONLY —
Categories:

Polymer80 80% Lower Receiver and Jig Kit (LR-308)

Polymer80 80% Lower Receiver and Jig Kit (LR-308)
Categories:

Polymer80 Model PFC9 Pistol

Polymer80 Model PFC9 Pistol — A compact, reliable
Categories:

Polymer80 PFS9 9mm Pistol

Polymer80 PFS9 9mm Pistol — A reliable, customizable
Categories:

POLYMER80 PF940C 40 CAL. PISTOL KIT

POLYMER80 PF940C 40 CAL. PISTOL KIT — A
Categories:

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit

Polymer80 Pf940v2 80% Pistol Frame And Jig Kit
Categories:

Polymer80 Pf940cv1 80% Compact Pistol Frame Kit

Polymer80 Pf940cv1 80% Compact Pistol Frame Kit —
Categories:

Polymer80 80% Compact Frame Pf940c

Polymer80 80% Compact Frame Pf940c — 270+ sold.
Categories:

Od Green Polymer 80 Pfs 9 Pistol Frame

Od Green Polymer 80 Pfs 9 Pistol Frame
Categories:

Gray Polymer 80 Pfs9 Pistol Frame

Gray Polymer 80 Pfs9 Pistol Frame — 650+

Why Michigan Gun Shop

Licensed FFL

ATF-licensed Grand Rapids dealer — every transfer handled personally.

Fast Shipping

Same-day dispatch on orders before 2 PM CT.

Michigan-Based Team

Email real humans, get real answers.

Straight Pricing

Match major online dealers. No fake sales.

Curated Inventory

Only firearms we’d recommend to a friend.

Secure Checkout

PCI-compliant, TLS 1.3, zero card data stored.

FFL LicensedATF 4-38-163-01-8F-51072
SSL SecurePCI-compliant checkout
30-Day ReturnsUnfired firearms
US SupportGrand Rapids-based team
Verified Auth100% genuine firearms

Michigan Gun Shop — Your Grand Rapids Online Firearms Dealer

Michigan Gun Shop is a licensed ATF FFL dealer in Grand Rapids, Michigan, serving gun owners statewide and nationwide since 2019. We stock handguns from Glock, Smith & Wesson, Sig Sauer, Ruger and Springfield; rifles (AR-15, bolt action, lever action, rimfire); shotguns; ammunition in every common caliber; AR-15 parts; and optics from Holosun, Vortex and Sig. All firearm sales go through the standard ATF Form 4473 process via your local receiving FFL. Learn the FFL transfer process or read our FAQ.

Michigan’s Trusted Source for Glock Switches, Polymer80 Frames & Firearms

Michigan Gunshop serves Michigan and the entire United States with an unmatched catalog of Glock auto switches, selector switches, and Polymer80 80% pistol frames. Whether you are searching for a genuine Polymer80 PF940v2, PF45 full-size frame, Rhino RL556 AR-15 lower, or a premium Glock switch for your G17, G19, G22, or G26, our inventory is curated from the most respected manufacturers in the industry. Every Glock switch is inspected for reliable function and consistent performance, and every Polymer80 frame kit ships with the correct jig, rails, and locking block hardware so you can complete your 80% build without hassle.

Beyond switches and Polymer80 parts, Michigan Gunshop carries handguns, rifles, shotguns, AR-15 uppers, ammunition, optics, and tactical accessories from Glock, Sig Sauer, Smith & Wesson, Ruger, Springfield Armory, Daniel Defense, Knights Armament, Rock River Arms, and dozens more. Our Michigan customers count on us for competitive pricing, discreet packaging, and shipping to all 50 states where legal. Questions about a Glock switch compatibility, Polymer80 jig fitment, or FFL transfer options? Our firearms experts have decades of combined experience and are standing by via live chat, phone, or email to help you build, buy, and shoot with confidence. From Detroit to every corner of Michigan, Michigan Gunshop remains the go-to online destination for serious shooters and builders.

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