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
Close
Filter by price
Price: —
All Manufacturers
All Models
All Product Type
All Calibers / Gauges
All Actions
All Finishes
All Special Options
Top rated products
  • RECOIL SPRING PLUG, SS RECOIL SPRING PLUG, SS $11.00
  • Night Fision Night Sight Set Orange Front Black Back for HK Night Fision Night Sight Set Orange Front Black Back for HK $78.00
  • CIMARRON LIGHTNING 32-20 - 3.5" W/32HRM CYL BIRDSHEAD CIMARRON LIGHTNING 32-20 - 3.5" W/32HRM CYL BIRDSHEAD $720.00
Home Product shipping classes flat_rate_zanders

Showing 1–20 of 4160 results

Show sidebar
Show 9 12 18 24
Filters
Sort by
  • Default
  • Popularity
  • Average rating
  • Newness
  • Price: low to high
  • Price: high to low
Price filter
  • All
  • $0.00 - $370.00
  • $370.00 - $740.00
  • $740.00 - $1,110.00
  • $1,110.00 - $1,480.00
  • $1,480.00 +
Compare

.350 LEGEND MAGAZINE 20-ROUND FOR AR-15 BLACK STEEL

AR Magazines
$27.00
.350 LEGEND MAGAZINE 20-ROUND FOR AR-15 BLACK STEEL
Add to wishlist
Add to cart
Quick view
Compare

1911 COMPACT ELITE TACTICAL MAG-9MM-8 RD-FLUSH-FIT BASE

Handgun Magazines
$53.95
1911 COMPACT ELITE TACTICAL MAG-9MM-8 RD-FLUSH-FIT BASE
Add to wishlist
Add to cart
Quick view
Compare

20-RD M9/M92 MAGAZINE

Handgun Magazines
$40.00
20-RD M9/M92 MAGAZINE
Add to wishlist
Add to cart
Quick view
Compare

2450 HAMMER EXTENSION

Small Rifle Parts
$18.99
2450 HAMMER EXTENSION
Add to wishlist
Add to cart
Quick view
Compare

2452 HAMMER EXTENSION

Other Gun Accessories & Parts
$14.00
2452 HAMMER EXTENSION
Add to wishlist
Add to cart
Quick view
Compare

2456 HAMMER EXTENSION

Other Gun Accessories & Parts
$12.00
2456 HAMMER EXTENSION
Add to wishlist
Add to cart
Quick view
Compare

2458 HAMMER EXTENSION

Small Rifle Parts
$16.99
2458 HAMMER EXTENSION
Add to wishlist
Add to cart
Quick view
Compare

30MM HIGH 20 MOA MOUNT, BLACK

Scope Accessories & Scope Parts
$24.00
30MM HIGH 20 MOA MOUNT, BLACK
Add to wishlist
Add to cart
Quick view
Compare

30MM MEDIUM 20 MOA MOUNT, BLACK

Scope Accessories & Scope Parts
$24.00
30MM MEDIUM 20 MOA MOUNT, BLACK
Add to wishlist
Add to cart
Quick view
Compare

30MM MEDIUM 20 MOA MOUNT, BLACK

Scope Accessories & Scope Parts
$24.00
30MM MEDIUM 20 MOA MOUNT, BLACK
Add to wishlist
Add to cart
Quick view
Compare

32 AUTO 73 GR – FMJ, 1043 FPS, 50/BX

Handgun Ammunition
$25.00
32 AUTO 73 GR - FMJ, 1043 FPS, 50/BX
Add to wishlist
Add to cart
Quick view
Compare

34MM MEDIUM BACKCOUNTRY CROSS-SLOT RINGS BLACK

Scope Rings
$86.00
34MM MEDIUM BACKCOUNTRY CROSS-SLOT RINGS BLACK
Add to wishlist
Add to cart
Quick view
Compare

40 S&W 180GR JHP BRASS 50RD BOX

Handgun Ammunition
$24.00
40 S&W 180GR JHP BRASS 50RD BOX
Add to wishlist
Add to cart
Quick view
Compare

47 SERIES MAG .45 ACP 7RD 1911FS STAINLESS STEEL

Handgun Magazines
$41.95
47 SERIES MAG .45 ACP 7RD 1911FS STAINLESS STEEL
Add to wishlist
Add to cart
Quick view
Sold out
Compare

5.56 BARREL HANSON 16” MIDLENGTH GAS SYSTEM 1-7 1/2-28

AR Barrels
$228.00
5.56 BARREL HANSON 16'' MIDLENGTH GAS SYSTEM 1-7 1/2-28
Add to wishlist
Read more
Quick view
Compare

A2-320 FOR SIG SAUER P320 9MM LUGER 17 ROUND MAGAZINE BLACK

Handgun Magazines
$13.99
A2-320 FOR SIG SAUER P320 9MM LUGER 17 ROUND MAGAZINE BLACK
Add to wishlist
Add to cart
Quick view
Compare

AAC Ti-RANT 45 Piston to .578×28

Class 3 Parts & Accessories
$74.99
AAC Ti-RANT 45 Piston to .578x28
Add to wishlist
Add to cart
Quick view
Compare

AB ARMS AR-15 SMALL PARTS KIT

Other Gun Accessories & Parts
$21.00
AB ARMS AR-15 SMALL PARTS KIT
Add to wishlist
Add to cart
Quick view
Compare

AB ARMS BOLT ASSEMBLY – 5.56MM AR-15 NICKEL BORON

AR15 Bolts
$89.99
AB ARMS BOLT ASSEMBLY - 5.56MM AR-15 NICKEL BORON
Add to wishlist
Add to cart
Quick view
Compare

AB ARMS BOLT CARRIER GROUP – 5.56MM AR-15 NICKEL BORON

AR15 Bolts
$197.99
AB ARMS BOLT CARRIER GROUP - 5.56MM AR-15 NICKEL BORON
Add to wishlist
Add to cart
Quick view
Load more products
Loading...

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
Filters
Wishlist
0 items Cart
My account