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Glock® 21 Compatible Pistol Build Kit w/ Pre-Assembled Nitride RMR Cut Slide

SKU:
AS-RMR-21-BLK/BLK_LWD-FRAMEKIT-10/45
Availability:
Out of Stock
$369.99

An optic-ready G21 build kit w/ upgraded barrel and pre-assembled slide.

This Glock® 21-compatible build kit comes quality, OEM-grade internal components, with a quality, precision-cut barrel  accompanying the pre-assembled optic-ready slide.

This kit's G21 slide features a durable black nitride finish that maintains machined tolerances for a perfect fit with no break-in, while its RMR footprint that provides compatibility for the most popular pistol red dots.

Glock® 21 Build Kit: What's Included

This kit is not a firearm. This Glock®-compatible kit includes a slide, barrel, operating rod with spring, slide parts kit, and frame parts kit. This kit does not include a frame.

Slide

  • Platform: G21
  • Caliber: .45 ACP
  • Material: 416R Stainless
  • Finish: Black QPQ Nitride
  • Features: Preassembled; Front & rear angled serrations; RMR cut; Compatible w/ factory iron sights

Barrel

  • Caliber: .45 ACP
  • Twist Rate: 1:16
  • Material: 416R Stainless
  • Finish: Nitride Black or Bare Stainless

Slide Parts Kit Includes:

  • Firing pin
  • Firing pin spring
  • Firing pin spring cup
  • Firing pin safety
  • Firing pin safety spring
  • 9mm Extractor
  • Extractor depressor plunger
  • Extractor depressor plunger spring
  • Channel liner
  • Spacer Sleeve
  • Steel cover plate
  • Polymer guide rod (guide rod, washer, screw)
  • Guide rod spring

Frame Parts Kit Includes:

  • Connector
  • Slide Stop Release with Spring
  • Locking Block Pin
  • Magazine Release
  • Magazine Release Spring
  • Slide Lock
  • Slide Lock Spring
  • Trigger Housing Pin
  • Trigger Housing with Ejector
  • Trigger Pin
  • Trigger Spring
  • Trigger with Trigger Bar

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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.

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

Caliber:
.45 ACP
Model:
G21
Size:
Full

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.