<![CDATA[GORILLA MACHINING: ]]> https://www.gorillamachining.com Wed, 7 Oct 2026 00:00:00 EST en-us <![CDATA[Sig Sauer® P320™ | Lower Parts Kit - 9mm/.40/.357]]> https://www.gorillamachining.com/Sig-Sauer®-P320™-Lower-Parts-Kit--9mm40357_p_1071.html Wed, 7 Oct 2026 00:00:00 EST Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320This kit for Sig Sauer P320 builds has all the lower parts used to complete your Sig Sauer P320 Compatible MUP-1 including:Trigger stop pinSlide catch lever pinSafety lever pinSear p...[Read More]
Our Price: $99.99 [Add to Cart]


]]> https://www.gorillamachining.com/Sig-Sauer®-P320™-Lower-Parts-Kit--9mm40357_p_1071.html Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320This kit for Sig Sauer P320 builds has all the lower parts used to complete your Sig Sauer P320 Compatible MUP-1 including:Trigger stop pinSlide catch lever pinSafety lever pinSear p...[Read More]
Our Price: $99.99 [Add to Cart]


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Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320


This kit for Sig Sauer P320 builds has all the lower parts used to complete your Sig Sauer P320 Compatible MUP-1 including:

  • Trigger stop pin
  • Slide catch lever pin
  • Safety lever pin
  • Sear pivot pin
  • Split coil pin
  • Slide catch lever spring post
  • Take down safety lever
  • Safety lever
  • Slide catch
  • Sear
  • Oring
  • Take down lever
  • Slide catch assembly
  • Spring, slide catch lever
  • Spring, sear (2)
  • Trigger bar spring
  • Spring, takedown lever
  • Flat Faced Trigger
  • Trigger bar
  • Sear housing
  • Manual disconnector

These Sig P320 Parts are compatible with any upgraded Sig p320 slide in 9mm


DISCLAIMER: “Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Neither 80% Lowers, a/k/a 80-lower.com nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.


WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov


Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.


Gorilla Machining only ships within the United States. Federal legislation dictates we cannot ship our products internationally.


Sig Sauer P320 Lower Parts Kit

At Gorilla Machining, We are delighted to show you our wide selection of high-quality Sig Sauer P320 accessories. Our Sig Sauer P320 lower parts kit improves performance, dependability, and customization for competitive shooters and weapons enthusiasts. Reliability, accuracy, and modularity make the Sig Sauer P320 popular. Military, police, and civilian shooters prefer it. A premium lower components package helps boost the P320's already impressive performance. One of the most well-liked and adaptable handguns available today is the Sig Sauer P320, which is well-known for its modular construction and versatility. Having the appropriate lower parts kit (LPK) is crucial, regardless of whether you're building a new P320 or modifying an old one. A Sig Sauer P320 Lower Parts Kit is the starting point for personalizing your pistol because it includes every part required to finish the lower receiver assembly.
A Lower Parts Kit (LPK) for the Sig Sauer P320 is a set of necessary parts that finish the handgun's lower receiver. These parts include different levers, springs, pins, and controls that are essential to the machine's operation. The trigger assembly and magazine release are located in the lower receiver, while the barrel, slide, and sights are located in the upper receiver. Our Sig Sauer P320 lower parts kit provides key components to keep your pistol running smoothly. Each item, from trigger assemblies and slide release levers to magazine catches and grip modules, is carefully engineered for optimal performance. Our bottom parts kit lets you personalize your Sig Sauer P320. You can customize your P320 to suit your shooting style and ergonomics using trigger styles, slide releases, and magazine catches.
The versatility of the Sig P320 platform is one of its main benefits. You can modify your pistol to suit your needs with a Lower Parts Kit. The correct LPK may completely change the feel of your handgun, whether you're searching for a different grip size, improved trigger feel, or an ambidextrous magazine release. Using the right parts is essential to guaranteeing your firearm's dependability and security. The P320 Lower Parts Kit for Sig Sauer is made to fit and function as well as possible, so your handgun will always work smoothly. Low-cost or subpar parts may cause faults, misfires, or even hazardous circumstances.

Your handgun's components could break or wear out over time. Keeping a high-quality Lower Parts Kit on hand enables you to prolong the life of your handgun by replacing worn-out parts. Keeping extra parts on hand is always a smart idea in case you need to make urgent repairs. An essential part for gun lovers who like constructing custom weapons is the Sig P320 Lower Parts Kit. To construct a completely customized firearm, you can begin with a stripped lower receiver and add parts one at a time.
High-quality materials make our lower parts kit durable and reliable. In high-pressure shooting circumstances, dependability is crucial. Our lower-components kit is tough and reliable.
]]> <![CDATA[Sig Sauer® P320™ | Upper Parts Kit | 9mm]]> https://www.gorillamachining.com/Sig-Sauer®-P320™-Upper-Parts-Kit-9mm_p_1150.html Wed, 7 Oct 2026 00:00:00 EST Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320This kit for Sig Sauer P320 builds has all the upper parts used to complete your Sig Sauer P320 Compatible MUP-1 including:Manufacturer:Gorilla MachiningColor:Black NitrideFinish:Ano...[Read More]
Our Price: $68.99 On Sale [Add to Cart]


]]> https://www.gorillamachining.com/Sig-Sauer®-P320™-Upper-Parts-Kit-9mm_p_1150.html Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320This kit for Sig Sauer P320 builds has all the upper parts used to complete your Sig Sauer P320 Compatible MUP-1 including:Manufacturer:Gorilla MachiningColor:Black NitrideFinish:Ano...[Read More]
Our Price: $68.99 On Sale [Add to Cart]


]]>

Sig Sauer® P320™ - Slide Parts Completion Kit for Sig Sauer P320


This kit for Sig Sauer P320 builds has all the upper parts used to complete your Sig Sauer P320 Compatible MUP-1 including:

  • Manufacturer:Gorilla Machining
  • Color:Black Nitride
  • Finish:Anodized
  • Fabric/Material:Stainless Steel
  • Gun Make:SIG Sauer
  • Gun Model:SIG Sauer P320 Carry, SIG Sauer P320 Compact, SIG Sauer P320, SIG Sauer P320 Full Size
  • Caliber:9mm Caliber
  • Package Contents:
  • P320 Striker Assembly
  • Extractor
  • Extractor Pin
  • Extractor Spring
  • Extractor Pin Plus
  • Back Plate

These Sig P320 Parts are compatible with any upgraded Sig p320 slide in 9mm

DISCLAIMER: “Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Neither 80% Lowers, a/k/a 80-lower.com nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.

WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.

Gorilla Machining only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

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