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  • GM WARFARE BILLET BARREL
    • GORILLA MACHINING AR .45 (ACP) Billet Barrel
    • GORILLA MACHINING AR 9 Luger 9MM Billet Barrel
    • GORILLA MACHINING AR 15 .224 Valkyrie Billet Barrel
    • GORILLA MACHINING AR-15 .223 Wylde Billet Barrel
    • GORILLA MACHINING AR-15 Marksman 5.56 Nato Billet Barrel
    • GORILLA MACHINING AR-15 .300 AAC Black Out Billet Barrel
    • GORILLA MACHINING AR-15 Mikhail 7.62X39 Billet Barrel
    • GORILLA MACHINING AR-15 .350 legend Billet Barrel
    • GORILLA MACHINING AR-10 Commander .308 Winchester Billet Barrel
    • GORILLA MACHINING AR-10 Commander 6.5 Creedmoor Billet Barrel
    • GORILLA MACHINING AR-15 6.5 Grendel Billet Barrel
    • GORILLA MACHINING AR-15 450 Bushmaster Billet Barrel
  • GM LOWER PARTS
    • GORILLA MACHINING AR-15 LOWER PARTS KIT | DROP IN TRIGGER
    • GORILLA MACHINING AR-15 BUTTSTOCK , BRACES & KITS
    • GORILLA MACHINING AR-15 PISTOL GRIPS,BUFFER , BUFFER TUBE AND PARTS
    • GORILLA MACHINING AR-15/ AR-9 80% LOWER RECEIVER FRAME
    • GORILLA MACHINING AR-15/ AR-9 80% LOWER RECEIVER KITS
  • GM UPPER RECEIVER PARTS
    • GORILLA MACHINING AR-15 5.56/.223 7.62x39 6.5 GRENDAL 450 SOCOM 458 BUSHMASTER ETC BOLT CARRIER GROUP,FIRING PIN AND PARTS
    • GORILLA MACHINING AR-15 M-LOK FREE FLOAT HANDGAURD RAILS
    • GORILLA MACHINING AR-15 HANDGAURD , MIL-SPEC UPPER PARTS , GRIPS AND HAND STOP BARRICADE
    • GORILLA MACHINING AR-15 5.56 & 30 CAL MUZZLE BRAKE AND FLASH HIDER
    • GORILLA MACHINING AR-15 DUST COVERS/FORWARD ASSIST/CHARGING HANDLES
    • GORILLA MACHINING AR-15 GAS TUBE , LOW PROFILE GAS BLOCKS & QUAD GAS BLOCKS
    • GORILLA MACHINING AR-15 FLIP UP SIGHTS & A2 SIGHTS
    • GORILLA MACHINING AR-15 TACTICAL SCOPE AND RED DOT
    • GORILLA MACHINING AR-15 STRIPPED UPPER RECEIVER IN RAW & ANODIZED
    • GORILLA MACHINING AR-15 UPPER KITS ETC
  • GM COMPLETE PISTOL UPPER RECEIVER
    • GORILLA MACHINING AR-9 9MM LUGER UPPER RECEIVER
    • GORILLA MACHINING AR-15 .223 WYLDE MARKSMAN UPPER RECEIVER
    • GORILLA MACHINING AR-15 5.56 NATO MARKSMAN UPPER RECEIVER
    • GORILLA MACHINING AR-15 300 BLK OUT AAC UPPER RECEIVER
    • GORILLA MACHINING AR-15 7.62X39 MIKHAIL UPPER RECEIVER
  • GM COMPLETE RIFLE UPPER RECEIVERS
    • GORILLA MACHINING AR-9 9MM LUGER UPPER RECEIVER
    • GORILLA MACHINING AR-15 .224 VALKYRIE UPPER RECEIVER
    • GORILLA MACHINING AR-15 5.56/.223 MARKSMAN UPPER RECEIVER
    • GORILLA MACHINING AR-15 300 BLK OUT AAC UPPER RECEIVER
    • GORILLA MACHINING AR-15 7.62X39 MIKHAIL UPPER RECEIVER
  • GM PISTOL KITS
    • GORILLA MACHINING AR-15 .223/5.56 PISTOL KIT
    • GORILLA MACHINING AR-15 .300 BLACK OUT PISTOL KIT
    • GORILLA MACHINING AR-9 LUGER 9MM PISTOL KIT
    • GORILLA MACHINING AR-15 7.62X39 PISTOL KIT
  • GM RIFLE KITS
    • GORILLA MACHINING AR-15 .223/5.56 RIFLE KIT
    • GORILLA MACHINING AR-15 .300 BLACK OUT RIFLE KIT
    • GORILLA MACHINING AR-9 LUGER 9MM RIFLE KIT
    • GORILLA MACHINING AR-15 7.62X39 RIFLE KIT
  • GM GLOCK SLIDE PRODUCTS AND ACCESSORIES
    • GORILLA MACHINING GLOCK 17 SLIDE
    • GORILLA MACHINING GLOCK 19 SLIDE
    • GORILLA MACHINING GLOCK 17 UPPER AND LOWER PARTS KIT
    • GORILLA MACHINING GLOCK 19|23|32 UPPER AND LOWER PARTS KIT
    • GORILLA MACHINING GLOCK 23 UPPER AND LOWER PARTS KIT
    • GORILLA MACHINING GLOCK 26 UPPER AND LOWER PARTS KIT
    • GORILLA MACHINING GLOCK 17 BARREL
    • GORILLA MACHINING GLOCK 19 BARREL
    • GORILLA MACHINING GLOCK 22 BARREL
    • GORILLA MACHINING GLOCK 23 BARREL
    • GORILLA MACHINING GLOCK 26 BARREL
    • GORILLA MACHINING HANDGUN BARREL COMPENSATOR BRAKES
  • GM AR 10 .308 UPPER PART
    • GORILLA MACHINING AR-10 .308 BOLT CARRIER GROUP,FIRING PIN AND PARTS
    • GORILLA MACHINING AR-10 .308 HANDGAURDS
    • GORILLA MACHINING AR-10 .308 CHARGING HANDLES/DUST COVER/FORWARD ASSIST
    • GORILLA MACHINING AR-10 .308 GAS BLOCK AND GAS TUBE
    • GORILLA MACHINING AR-10 .308 MUZZLE BRAKE AND CRUSH WASHER
    • GORILLA MACHINING AR-10 .308 UPPER RECEIVER
  • GM 308 LOWER ASSEMBLY PART
    • GORILLA MACHINING AR-10 80% LOWER RECEIVER
    • GORILLA MACHINING AR-10 LOWER PARTS KIT
    • GORILLA MACHINING AR-10 BUTTSTOCK , BRACES & KITS
    • GORILLA MACHINING AR-10 PISTOL GRIPS,BUFFER , BUFFER TUBE AND PARTS
  • GM .308 COMPLETE UPPER RECEIVERS
    • GORILLA MACHINING AR-10 .308 WINCHESTER
    • GORILLA MACHINING AR-10 6.5 CREEDMOOR
    • GORILLA MACHINING AR-10 UPPER RECEIVER COMBO
  • GM APPAREL | SWAG
    • GORILLA MACHINING SHIRTS & SWAG
    • GORILLA MACHINING STICKERS , BANNERS & DECALS
  • LEAPERS UTG PRODUCTS
    • UTG AR-15 GAS BLOCK | MUZZLE BRAKES
    • UTG AR-15 BUTTSTOCK , BRACES AND KITS
    • UTG AR-15 PICATINNY RAIL , ACCESSORIES AND MOUNTS
    • UTG AR-15 RAILS AND HANDGAURDS
    • UTG AR-15 TACTICAL GRIP AND ANGLE FOREGRIP
    • UTG AR-15 TOOLS | CLEANINIG KITS
    • UTG AR-15 MAGAZINES
    • UTG AR-15 SIGHTS AND SCOPES
    • UTG AR-15 TACTICAL GUN CASE AND VESTS
  • GUN CLEANING KITS | MATS | GUNSMITH TOOLS
    • GUN OIL | GUN GREASE | GUN POLISH
    • GUNSMITHING MATS | CLEANING MAT
    • GUNSMITHING TOOL KITS

Top Sellers

Gorilla Machining AR-15 .223/5.56 , 7.62x39 , 300AAC , 9MM , 6.5 Grendel , 350 Legend Complete Lower Parts Assembly kit
Gorilla Machining AR-15 .223/5.56 , 7.62x39 , 300AAC , 9MM , 6.5 Grendel , 350 Legend Complete Lower Parts Assembly kit
$33.99
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Gorilla Machining AR-15 M4A4 Anchor Harvey Stripped Upper Receiver RAW
Gorilla Machining AR-15 M4A4 Anchor Harvey Stripped Upper Receiver RAW
$32.99 $29.99
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Gorilla Machining AR-15 M4A4  Stripped Upper Receiver Blemished
Gorilla Machining AR-15 M4A4 Stripped Upper Receiver Blemished
$27.99
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New Releases

BEAR CREEK BC-15, 6.5 Grendel Type 2 | 16
BEAR CREEK BC-15, 6.5 Grendel Type 2 | 16" Black Nitride M4 Barrel, 1:8 Twist, Carbine Length Gas System|Barrel
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Hoppe's, No. 9, Lubricating Oil, Liquid, 4oz | Aerosol Can
Hoppe's, No. 9, Lubricating Oil, Liquid, 4oz | Aerosol Can
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UTG PRO® M-LOK® AR15 15
UTG PRO® M-LOK® AR15 15" Ultra Slim Rail, | Black | Blue 2-Tone
$144.99
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  2. GM UPPER RECEIVER PARTS

GM UPPER RECEIVER PARTS

Get the most out of your rifle with an AR 15 upper receiver from Gorilla Machining. Our selection of upper receivers includes AR stripped uppers, complete upper receivers, skeletonized uppers, barreled upper receivers and more. Choose from products made by the world’s top manufacturers.Shop high-quality AR-15 and AR-10 bolt carrier groups from Gorilla Machining ! Our M16 bolt carrier groups (bcg) are full-auto grade and magnetically particle inspected (MPI) to insure proper function with your mil-spec AR15 or AR10 rifle. Bolts and bolt carriers are made with 9310 Steel and have a black nitride finish. Our AR15 and AR10 bolt carrier groups are available in 5.56 NATO, .223 Remington, 300 Blackout, 350 Legend, .458 SOCOM, .450 Bushmaster, 7.62x39, 6.5 Grendel, 308, .243 Winchester, and 6.5 Creedmoor. All Gorilla Machining bolt carrier groups come with a bolt, bolt carrier, staked gas pin, firing pin, firing pin retainer pin, and bolt cam pin. Manufactured in Orlando,Fl !
  • GORILLA MACHINING AR-15 5.56/.223 7.62x39 6.5 GRENDAL 450 SOCOM 458 BUSHMASTER ETC BOLT CARRIER GROUP,FIRING PIN AND PARTS GORILLA MACHINING AR-15 5.56/.223 7.62x39 6.5 GRENDAL 450 SOCOM 458 BUSHMASTER ETC BOLT CARRIER GROUP,FIRING PIN AND PARTS
  • GORILLA MACHINING AR-15 M-LOK FREE FLOAT HANDGAURD RAILS GORILLA MACHINING AR-15 M-LOK FREE FLOAT HANDGAURD RAILS
  • GORILLA MACHINING AR-15 HANDGAURD , MIL-SPEC UPPER PARTS  , GRIPS AND HAND STOP BARRICADE GORILLA MACHINING AR-15 HANDGAURD , MIL-SPEC UPPER PARTS , GRIPS AND HAND STOP BARRICADE
  • GORILLA MACHINING AR-15 5.56 & 30 CAL MUZZLE BRAKE AND FLASH HIDER GORILLA MACHINING AR-15 5.56 & 30 CAL MUZZLE BRAKE AND FLASH HIDER
  • GORILLA MACHINING AR-15 DUST COVERS/FORWARD ASSIST/CHARGING HANDLES GORILLA MACHINING AR-15 DUST COVERS/FORWARD ASSIST/CHARGING HANDLES
  • GORILLA MACHINING AR-15 GAS TUBE , LOW PROFILE GAS BLOCKS & QUAD GAS BLOCKS GORILLA MACHINING AR-15 GAS TUBE , LOW PROFILE GAS BLOCKS & QUAD GAS BLOCKS
  • GORILLA MACHINING AR-15 FLIP UP SIGHTS & A2 SIGHTS GORILLA MACHINING AR-15 FLIP UP SIGHTS & A2 SIGHTS
  • GORILLA MACHINING AR-15 TACTICAL SCOPE AND RED DOT GORILLA MACHINING AR-15 TACTICAL SCOPE AND RED DOT
  • GORILLA MACHINING AR-15 STRIPPED UPPER RECEIVER IN RAW & ANODIZED GORILLA MACHINING AR-15 STRIPPED UPPER RECEIVER IN RAW & ANODIZED
  • GORILLA MACHINING AR-15 UPPER KITS ETC GORILLA MACHINING AR-15 UPPER KITS ETC
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