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  • GM WARFARE 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
    • 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 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
    • UTG AR-15 BUTTSTOCK , BRACES & KITS
    • UTG AR-15 PICATINNY RAIL , ACCESSORIES AND MOUNTS
    • UTG AR-15 TACTICAL GRIP / ANGLE FOREGRIP
    • UTG AR-15 TOOLS
    • UTG AR-15 MAGAZINES
    • UTG AR-15 SIGHTS
    • UTG AR-15 TACTICAL GUN CASE & VESTS

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
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Gorilla Machining AR-15 M4A4 Anchor Harvey Stripped Upper Receiver RAW
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  1. Home
  2. GM LOWER PARTS
  3. GORILLA MACHINING AR-15 PISTOL GRIPS,BUFFER , BUFFER TUBE AND PARTS

GORILLA MACHINING AR-15 PISTOL GRIPS,BUFFER , BUFFER TUBE AND PARTS

What is the state of your AR-15's lower receiver? Dedicated rifle owners, especially those with professional or competitive ambitions, should always have a good understanding of it. After all, firearms do not stay in perfect shape on their own for all time. Parts lose their robustness over time and wear down with use, bringing down the entire rifle's performance with them. If you want to get the most out of your gun, regular maintenance is crucial.

Sometimes, that maintenance requires replacing AR-15 lower assembly parts that no longer cut the mustard. However, you are not required to simply get a newer example of the same model. Many professionals take the opportunity to shop for different models of a higher quality. Even one savvy swap can boost the capabilities and performance of the entire rifle. Shopping smartly requires greater thought and effort, but the results can seriously pay off.

If you like the idea of upgrading your receiver, you have come to the right place. Gorilla Machining is thrilled to provide a variety of AR-15 lower assembly parts, all designed by our in-house experts in line with high standards of quality. We would not sell anything that we would not use for our own rifles.

Products [11]

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Gorilla Machining AR-15 Pistol Tube Kit
Gorilla Machining AR-15 Pistol Tube Kit
(6)
$24.99
In Stock
Add To Cart
Gorilla Machining AR-15 MIL-SPEC  Buffer Tube Kit
Gorilla Machining AR-15 MIL-SPEC Buffer Tube Kit
(4)
$19.99
In Stock
Add To Cart
Gorilla Machining AR-15  Standard Carbine Buffer
Gorilla Machining AR-15 Standard Carbine Buffer
(3)
$9.49
In Stock
Add To Cart
Gorilla Machining AR-15 Standard Carbine Spring Mil-spec
Gorilla Machining AR-15 Standard Carbine Spring Mil-spec
(2)
$3.99
In Stock
Add To Cart
Gorilla Machining AR-15 Standard End Plate Mil-spec
Gorilla Machining AR-15 Standard End Plate Mil-spec
(0)
$3.99
In Stock
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Gorilla Machining AR-15 Standard Castle Nut Mil-spec
Gorilla Machining AR-15 Standard Castle Nut Mil-spec
(3)
$4.99
In Stock
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Gorilla Machining  AR-15 Standard Carbine Buffer Tube Mil-spec
Gorilla Machining AR-15 Standard Carbine Buffer Tube Mil-spec
(0)
$11.99
In Stock
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Gorilla Machining AR-15 Standard Pistol Buffer Tube
Gorilla Machining AR-15 Standard Pistol Buffer Tube
(0)
$14.99
In Stock
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Trinity Force AR-15 Receiver Extension Kit Mil-Spec
Trinity Force AR-15 Receiver Extension Kit Mil-Spec
(4)
$24.99
In Stock
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