AR Upper Parts

Categories

All products
Air Guns0 products
- Air Pistols0 products
Ammunition5,165 products
- Ammo Storage0 products
- Handgun Ammunition1,330 products
- Other Ammunition4 products
- Rifle Ammunition1,915 products
- Rimfire Ammunition164 products
- Shotgun Shells1,752 products
Ammunition Reloading4 products
- Reloading Equipment4 products
  - Other Reloading Equipment3 products
  - Reloading Dies1 product
- Reloading Supplies0 products
  - Reloading Bullets0 products
Archery & Bow Hunting33 products
- Archery Supplies33 products
Black Powder & Muzzleloaders27 products
- Black Powder Bullets3 products
- Black Powder Pistols & Muzzleloader Pistols4 products
- Black Powder Rifles & Muzzleloader Rifles13 products
- Muzzleloading Primers1 product
- Other Muzzleloader Supplies & Black Powder Parts4 products
- Percussion Caps0 products
Camping Lights4 products
Class 3 Firearms, NFA & Destructive Devices626 products
- Any Other Weapon (AOW)1 product
- Class 3 Parts & Accessories448 products
- Short Barrel Rifles (SBR)16 products
- Short Barrel Shotguns (SBS)1 product
- Silencers & Suppressed Firearms159 products
Concealed Carry1 product
- Concealed Carry Holsters1 product
Fishing Tackle0 products
- Tackle Storage0 products
Gun Parts6,702 products
- 1911 Parts88 products
- AK Parts98 products
- AR Lower Parts633 products
- AR Upper Parts769 products
- AR10 Parts27 products
- AR15 Parts435 products
- Glock Parts230 products
- Gun Parts Kits116 products
- Handgun Parts994 products
- Lever Action Parts36 products
  - Lever Action Handguards14 products
- Other Gun Accessories & Parts1,181 products
- Rifle Parts1,334 products
- Shotgun Parts484 products
- Slings & Sling Parts45 products
  - Slings15 products
  - Slings Parts & Accessories30 products
- Weapon Lights194 products
Guns & Firearms12,280 products
- Combination Guns19 products
- Handguns4,262 products
- Rifles5,904 products
- Shotguns2,096 products
Holsters & Gun Leather12 products
Hunting Supplies & Gear252 products
- Flashlights63 products
- Game Cameras4 products
- Hunting Accessories184 products
- Other Hunting Gear1 product
Knives & Swords2 products
- Fixed Blade Knives1 product
- Hunting Knives1 product
Launchers2 products
Magazines2,754 products
- AK Magazines47 products
- AR Magazines323 products
- Handgun Magazines1,696 products
- Magazine Accessories24 products
- Rifle Magazines582 products
- Shotgun Magazines82 products
Miscellaneous17 products
- Everything Else17 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 & Optics5,440 products
- Binoculars9 products
- Gun Scopes880 products
- Gun Sights1,263 products
- Laser Sights44 products
- Night Vision50 products
- Optics Accessories24 products
- Range Finders6 products
- Red Dot Mounts137 products
- Red Dots Sights353 products
- Scope Accessories & Scope Parts2,488 products
- Sight Magnifiers17 products
- Spotting Scopes19 products
- Thermal Sights150 products
Shooting Supplies33 products
- Bipods & Tripods7 products
- Gun Cleaning Kits & Gun Cleaning Supplies5 products
- Gun Rests, Vises & Benches1 product
- Gunsmithing Tools & Gunsmith Supplies18 products
- Shooting Targets2 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
Uncategorixed1 product
Vine & Berries12 products
Vine and Berries0 products

Showing 241–260 of 769 results

Show sidebar

Show 9 12 18 24

Filters

Compare

CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 5″ Barrel Black

AR Bolt Carrier Groups

$400.00

CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 5" Barrel Black

Add to wishlist

Purchase & earn 400 points!Add to cart

Quick view

Compare

CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 8″ Barrel Black

AR Bolt Carrier Groups

$420.00

CMMG Barrel and BCG Kit 4140CM SBN Drop in Barrel 5.7 x 28mm 8" Barrel Black

Add to wishlist

Purchase & earn 420 points!Add to cart

Quick view

Compare

CMMG Barrel and Bolt Group Kit 16.1inch M4 22LR

AR Barrels

$308.00

CMMG Barrel and Bolt Group Kit 16.1inch M4 22LR

Add to wishlist

Purchase & earn 308 points!Add to cart

Quick view

Compare

CMMG Barrel and Bolt Group Kit 4.5inch MT 4140CM 22LR

AR Barrels

$274.00

CMMG Barrel and Bolt Group Kit 4.5inch MT 4140CM 22LR

Add to wishlist

Purchase & earn 274 points!Add to cart

Quick view

Compare

CMMG BARREL PS90 5.7X28MM – 10.4″ 1:9 TWIST BLACK

AR Barrels

$267.00

CMMG BARREL PS90 5.7X28MM - 10.4" 1:9 TWIST BLACK

Add to wishlist

Purchase & earn 267 points!Add to cart

Quick view

Sold out

Compare

CMMG Barrel Sub-Assm 16.1inch M4 4140CM SBN 22LR

AR Barrels

$158.00

CMMG Barrel Sub-Assm 16.1inch M4 4140CM SBN 22LR

Add to wishlist

Purchase & earn 158 points!Read more

Quick view

Compare

CMMG Barrel Sub-Assm 16.1inch MT 4140CM SBN 5.56mm

AR Barrels

$190.00

CMMG Barrel Sub-Assm 16.1inch MT 4140CM SBN 5.56mm

Add to wishlist

Purchase & earn 190 points!Add to cart

Quick view

Compare

CMMG Barrel Sub-Assm 16.1inch MT 416SS 5.56mm

AR Barrels

$179.00

CMMG Barrel Sub-Assm 16.1inch MT 416SS 5.56mm

Add to wishlist

Purchase & earn 179 points!Add to cart

Quick view

Compare

CMMG Barrel Sub-Assm 18.0inch HT 416SS 308 Win

AR Barrels

$262.00

CMMG Barrel Sub-Assm 18.0inch HT 416SS 308 Win

Add to wishlist

Purchase & earn 262 points!Add to cart

Quick view

Compare

CMMG BARREL W/BOLT KIT 9MM – 5″ RDB BLACK

AR Barrels

$394.00

CMMG BARREL W/BOLT KIT 9MM - 5" RDB BLACK

Add to wishlist

Purchase & earn 394 points!Add to cart

Quick view

Sold out

Compare

CMMG BARREL W/BOLT KIT 9MM – 8″ RDB BLACK

AR Barrels

$400.00

CMMG BARREL W/BOLT KIT 9MM - 8" RDB BLACK

Add to wishlist

Purchase & earn 400 points!Read more

Quick view

Compare

CMMG CHARGING HANDLE ASSEMBLY – FOR AR-15 BLACK

AR Charging Handles

$25.00

CMMG CHARGING HANDLE ASSEMBLY - FOR AR-15 BLACK

Add to wishlist

Purchase & earn 25 points!Add to cart

Quick view

Compare

CMMG Forward Assist Kit

AR Forward Assist

$15.00

CMMG Forward Assist Kit

Add to wishlist

Purchase & earn 15 points!Add to cart

Quick view

Sold out

Compare

CMMG GAS BLOCK ASSY. .625″ – LOW PROFILE FOR AR-15

AR Gas System

$31.00

CMMG GAS BLOCK ASSY. .625" - LOW PROFILE FOR AR-15

Add to wishlist

Purchase & earn 31 points!Read more

Quick view

Compare

CMMG GAS BLOCK ASSY. .750″ – LOW PROFILE FOR AR-15

AR Gas System

$34.00

CMMG GAS BLOCK ASSY. .750" - LOW PROFILE FOR AR-15

Add to wishlist

Purchase & earn 34 points!Add to cart

Quick view

Compare

CMMG GAS BLOCK ASSY. .936″ – LOW PROFILE FOR AR-15

AR Gas System

$34.00

CMMG GAS BLOCK ASSY. .936" - LOW PROFILE FOR AR-15

Add to wishlist

Purchase & earn 34 points!Add to cart

Quick view

Compare

CMMG GAS TUBE KIT MID-LENGTH – FOR AR-15

AR Gas System

$15.00

CMMG GAS TUBE KIT MID-LENGTH - FOR AR-15

Add to wishlist

Purchase & earn 15 points!Add to cart

Quick view

Compare

CMMG GAS TUBE KIT PISTOL/PDW – FOR AR-15

AR Gas System

$15.00

CMMG GAS TUBE KIT PISTOL/PDW - FOR AR-15

Add to wishlist

Purchase & earn 15 points!Add to cart

Quick view

Compare

CMMG GAS TUBE KIT RIFLE – FOR AR-15

AR Gas System

$18.00

CMMG GAS TUBE KIT RIFLE - FOR AR-15

Add to wishlist

Purchase & earn 18 points!Add to cart

Quick view

Sold out

Compare

CMMG ZEROED AMBI-CHARGING – HANDLE FOR AR-15

AR Charging Handles

$75.00

CMMG ZEROED AMBI-CHARGING - HANDLE FOR AR-15

Add to wishlist

Purchase & earn 75 points!Read more

Quick view

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.

Sort by

Price filter

Quick Links

Useful Link

Great Lakes Firearms

Newsletter

Great Lakes Firearms