FFL-compliant checkout Live inventory verification Pickup / transfer ready
(800) 551-2791 beverlyhillsguns.com
0

Your cart is empty

Total $0.00
Sign In Create Account
Browse Beverly Hills Guns
Navigate by category, brand, and customer workflow.
Training, appointments, transfers, and company pages.
Store & Compliance
Built for modern storefront browsing without losing the firearm compliance workflow behind the scenes.
  • Live inventory validation before checkout
  • Workflow-aware store pickup and transfer routing
  • State-aware compliance filtering
  • Scoped category search that respects browse context
Search Beverly Hills Guns
Search by Manufacturer, Model, UPC, or MPN.
Heckler & Koch MR762 A4 Upper Receiver
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Heckler & Koch

MR762 A4 Upper Receiver

$3,049.00
$2,649.00
Sale Price
Available California compliant

Heckler & Koch MR762 A4 Upper Receiver, 308 Winchester/7.62 NATO, 13" Barrel, Threaded 5/8X24, M-LOK Handguard, Anodized Finish, Black, Adjustable Gas Block, Includes Bolt Carrier Group, Buffer Weight, and Buffer Spring 51001919

Key Details
Brand Heckler & Koch
Manufacturer Part Number 51001919
UPC 642230272545
SKU HK51001919
Current Stock 30 available
Quantity Updated Apr 25, 2026 5:35 AM
Already have an account from an in-store purchase? Log in to use that profile for checkout and future orders.
Continue Shopping
Share This Product
Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The latest update from HK-USA for the commercial version of the legendary HK417, the MR762 A4, highlights an improved example of "No Compromise" HK performance. It is now available as a 13-inch standalone upper receiver group.

Features
  • Suppressor-Ready Concentric 5/8X24 Threads
  • Adjustable Gas Regulator
  • Match Rifle Cold-Hammer-Forged Barrel
  • Medium Contour Barrel Profile
  • Continuous Picatinny Rail Interface Between Handguard and Upper Receiver
Specifications
UPC: 642230272545
Manufacturer: Heckler & Koch
Manufacturer Part #: 51001919
Model: MR762 A4 Upper Receiver
Barrel Length: 13"
Finish: Anodized
Type: Upper