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    Complete Rifle Upper Receivers
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    GORILLA MACHINING AR-15 LOWER PARTS KIT | DROP IN TRIGGER
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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
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Gorilla Machining AR-15 M4A4  Stripped Upper Receiver Blemished
Gorilla Machining AR-15 M4A4 Stripped Upper Receiver Blemished
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New Releases

Gorilla Machining | AR-15 (FREEDOM) 16
Gorilla Machining | AR-15 (FREEDOM) 16" 5.56 NATO 1/9 Carbine | M-LOK HandGaurd Complete Upper Build Kit
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Gorilla Machining | AR-15 (BUSH) 16
Gorilla Machining | AR-15 (BUSH) 16" 5.56 NATO 1/8 Carbine | M-LOK HandGaurd Complete Upper Build Kit
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Gorilla Machining AR-15 SLICK SIDE BIG BORE .450 BUSHMASTER | .458 SOCOM | .45 ACP and 12.7x42 | Anodized Stripped Upper Receiver
Gorilla Machining AR-15 SLICK SIDE BIG BORE .450 BUSHMASTER | .458 SOCOM | .45 ACP and 12.7x42 | Anodized Stripped Upper Receiver
$49.99
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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 !
GM UPPER RECEIVER PARTS subcategories
  • 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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