AR Upper Parts

All products
Air Guns0 products
- Air Pistols0 products
Ammunition5,630 products
- Ammo Storage1 product
- Handgun Ammunition1,465 products
- Other Ammunition4 products
- Rifle Ammunition2,095 products
- Rimfire Ammunition167 products
- Shotgun Shells1,898 products
Ammunition Reloading2 products
- Reloading Equipment1 product
  - Other Reloading Equipment0 products
  - Reloading Dies1 product
- Reloading Supplies1 product
  - Reloading Bullets1 product
Archery & Bow Hunting274 products
- Archery Supplies272 products
- Bowfishing Accessories1 product
Backpacks and Gearbags29 products
Black Powder & Muzzleloaders33 products
- Black Powder & Pryodex3 products
- Black Powder Bullets4 products
- Black Powder Pistols & Muzzleloader Pistols4 products
- Black Powder Rifles & Muzzleloader Rifles13 products
- Muzzleloading Primers1 product
- Other Muzzleloader Supplies & Black Powder Parts5 products
- Percussion Caps0 products
Camping and Outdoor Accessories2 products
Camping Lights0 products
Class 3 Firearms, NFA & Destructive Devices815 products
- Any Other Weapon (AOW)0 products
- Class 3 Parts & Accessories572 products
- Destructive Devices1 product
- Short Barrel Rifles (SBR)18 products
- Short Barrel Shotguns (SBS)3 products
- Silencers & Suppressed Firearms220 products
Clothing, Jewelry, Watches5 products
- Clothing5 products
  - Backpacks, Totes & Luggage5 products
Concealed Carry1 product
- Concealed Carry Holsters1 product
Duty Gear2 products
- Magazine Pouches2 products
Fishing Tackle0 products
- Tackle Storage0 products
Flamethrowers2 products
Gun Parts7,681 products
- 1911 Parts108 products
- AK Parts107 products
- AR Lower Parts684 products
- AR Upper Parts912 products
- AR10 Parts28 products
- AR15 Parts505 products
- Glock Parts235 products
- Gun Parts Kits98 products
- Handgun Parts1,138 products
- Lever Action Parts37 products
  - Lever Action Handguards15 products
- Other Gun Accessories & Parts1,191 products
- Rifle Parts1,555 products
- Shotgun Parts783 products
- Slings & Sling Parts50 products
  - Slings15 products
  - Slings Parts & Accessories35 products
- Weapon Lights205 products
Guns & Firearms12,699 products
- Combination Guns19 products
- Handguns4,495 products
- Rifles5,980 products
- Shotguns2,223 products
Holsters & Gun Leather11 products
Hunting Supplies & Gear338 products
- Bags & Packs17 products
- Flashlights108 products
- Game Cameras4 products
- Hunting Accessories199 products
- Hunting Scents & Deer Lure1 product
- Other Hunting Gear9 products
Knives & Swords1 product
- Fixed Blade Knives0 products
- Hunting Knives1 product
Launchers2 products
Magazines2,989 products
- AK Magazines58 products
- AR Magazines328 products
- Handgun Magazines1,769 products
- Magazine Accessories109 products
- Rifle Magazines636 products
- Shotgun Magazines89 products
Miscellaneous22 products
- Everything Else21 products
Pepper Spray / OC5 products
Personal Defense/Less-Lethal17 products
- Body Armor2 products
- Less-Lethal Accessories2 products
- Less-Lethal Ammunition13 products
- Less-Lethal Pistols & Rifles0 products
Range Bags & Cases3 products
Range Gear2 products
- Shot Timers1 product
- Target Cameras1 product
Scopes, Sights & Optics6,218 products
- Binoculars21 products
- Gun Scopes941 products
- Gun Sights1,433 products
- Laser Sights75 products
- Night Vision88 products
- Optics Accessories50 products
- Range Finders10 products
- Red Dot Mounts184 products
- Red Dots Sights443 products
- Scope Accessories & Scope Parts2,725 products
- Sight Magnifiers19 products
- Spotting Scopes28 products
- Thermal Sights201 products
Shooting Supplies52 products
- Bipods & Tripods8 products
- Gun Cleaning Kits & Gun Cleaning Supplies8 products
- Gun Rests, Vises & Benches2 products
- Gunsmithing Tools & Gunsmith Supplies31 products
- Shooting Targets3 products
Arabesque1 product
Bushido Blade1 product
Cathedral3 products
Catrina2 products
Celestial Vine1 product
Celtic Honor1 product
Classic Scroll7 products
Crusader1 product
Dia de los Muertos1 product
El Defe de jefes1 product
Lotus Leaf1 product
Memento Vivere2 products
Naga Warrior1 product
Patriot2 products
Titan1 product
Uncategorixed11 products
Vine & Berries12 products
Vine and Berries0 products

Showing 181–200 of 912 results

Show 9 12 18 24

Filters

ARMASPEC GAS TUBE MID LENGTH – 11.75″

$13.49

ARMASPEC GAS TUBE MID LENGTH - 11.75"

Add to wishlist

Purchase & earn 13 points!Add to cart

ARMASPEC GAS TUBE PISTOL – LENGTH 6.6875″

$12.23

ARMASPEC GAS TUBE PISTOL - LENGTH 6.6875"

Add to wishlist

Purchase & earn 12 points!Add to cart

ARMASPEC GAS TUBE RIFLE LENGTH – 15.125

$14.39

ARMASPEC GAS TUBE RIFLE LENGTH - 15.125

Add to wishlist

Purchase & earn 14 points!Add to cart

ARMASPEC HARMONICS-TUNER – MUZZLE BRAKE .223/5.56 BLACK

AR Muzzle Devices

$134.99

ARMASPEC HARMONICS-TUNER - MUZZLE BRAKE .223/5.56 BLACK

Add to wishlist

Purchase & earn 135 points!Add to cart

ARMASPEC VICTORY CHANGING – HANDLE BLACK AR10

AR Charging Handles

$80.99

ARMASPEC VICTORY CHANGING - HANDLE BLACK AR10

Add to wishlist

Purchase & earn 81 points!Add to cart

ARMASPEC VICTORY CHANGING – HANDLE BLACK AR15

AR Charging Handles

$71.99

ARMASPEC VICTORY CHANGING - HANDLE BLACK AR15

Add to wishlist

Purchase & earn 72 points!Read more

ARMASPEC VICTORY CHANGING – HANDLE BLUE AR10

AR Charging Handles

$76.49

ARMASPEC VICTORY CHANGING - HANDLE BLUE AR10

Add to wishlist

Purchase & earn 76 points!Add to cart

ARMASPEC VICTORY CHANGING – HANDLE BLUE AR15

AR Charging Handles

$71.99

ARMASPEC VICTORY CHANGING - HANDLE BLUE AR15

Add to wishlist

Purchase & earn 72 points!Read more

ARMASPEC VICTORY CHANGING – HANDLE FDE AR10

AR Charging Handles

$80.99

ARMASPEC VICTORY CHANGING - HANDLE FDE AR10

Add to wishlist

Purchase & earn 81 points!Add to cart

ARMASPEC VICTORY CHANGING – HANDLE FDE AR15

AR Charging Handles

$71.99

ARMASPEC VICTORY CHANGING - HANDLE FDE AR15

Add to wishlist

Purchase & earn 72 points!Read more

ARMASPEC VICTORY CHANGING – HANDLE ODG AR10

AR Charging Handles

$80.99

ARMASPEC VICTORY CHANGING - HANDLE ODG AR10

Add to wishlist

Purchase & earn 81 points!Add to cart

ARMASPEC VICTORY CHANGING – HANDLE ODG AR15

AR Charging Handles

$71.99

ARMASPEC VICTORY CHANGING - HANDLE ODG AR15

Add to wishlist

Purchase & earn 72 points!Read more

ARMASPEC VICTORY CHANGING – HANDLE RED AR15

AR Charging Handles

$71.99

ARMASPEC VICTORY CHANGING - HANDLE RED AR15

Add to wishlist

Purchase & earn 72 points!Read more

B5 SYSTEMS HANDGUARD M-LOK – CARBINE LENGTH BLACK TWO PIECE

$27.55

B5 SYSTEMS HANDGUARD M-LOK - CARBINE LENGTH BLACK TWO PIECE

Add to wishlist

Purchase & earn 28 points!Add to cart

B5 SYSTEMS TRIGGER GUARD – BLACK ALUMINUM MILSPEC

AR Trigger Guards

$19.00

B5 SYSTEMS TRIGGER GUARD - BLACK ALUMINUM MILSPEC

Add to wishlist

Purchase & earn 19 points!Add to cart

B5 Systems Vertical Grip – Coyote

AR Foregrip/Handstop

$19.00

B5 Systems Vertical Grip - Coyote

Add to wishlist

Purchase & earn 19 points!Read more

B5 Systems Vertical Grip – FDE

AR Foregrip/Handstop

$19.00

B5 Systems Vertical Grip - FDE

Add to wishlist

Purchase & earn 19 points!Read more

B5 Systems Vertical Grip M-LOK Black

AR Foregrip/Handstop

$19.00

B5 Systems Vertical Grip M-LOK Black

Add to wishlist

Purchase & earn 19 points!Read more

B5 Systems Vertical Grip M-LOK ODG

AR Foregrip/Handstop

$19.00

B5 Systems Vertical Grip M-LOK ODG

Add to wishlist

Purchase & earn 19 points!Add to cart

B5 SYSTEMS VERTICLE GRIP M-LOK – WOODLAND

AR Foregrip/Handstop

$27.55

B5 SYSTEMS VERTICLE GRIP M-LOK - WOODLAND

Add to wishlist

Purchase & earn 28 points!Read more

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

Useful Link

Great Lakes Firearms

Newsletter

Copyright 2025, Great Lakes Firearms | All Rights Reserved.

Start typing to see products you are looking for.