Heckler & Koch HK SL7 308 Rifle

Published on November 7, 2017
Duration: 27:15

This guide details the field stripping process for the Heckler & Koch HK SL7, a rare .308 hunting rifle. The process involves removing a single rear screw to slide off the top cover, revealing internals similar to the G3/HK91 series. The video highlights the rifle's unique blend of military-grade roller-delayed blowback action with a sporting rifle configuration. Expert instruction is provided on its operation and maintenance.

Quick Summary

The Heckler & Koch HK SL7 is a rare .308 Winchester hunting rifle featuring the robust roller-delayed blowback system found in G3/HK91 rifles. It offers impressive accuracy with iron sights and a match-grade trigger pull of approximately 4.35 lbs. Its proprietary optics mounting system is unique but may require careful consideration for repeatable zero.

Chapters

  1. 00:00Introduction to the HK SL7
  2. 01:19External Features and Controls
  3. 02:46Range Testing and Accuracy
  4. 05:33Trigger Assessment
  5. 08:23Disassembly and Internals
  6. 13:30Optics and Proprietary Mounting
  7. 17:02Conclusion

Frequently Asked Questions

What is the operating system of the Heckler & Koch HK SL7?

The Heckler & Koch HK SL7 utilizes a roller-delayed blowback operating system, identical internally to the G3 and HK91 series. This system is known for its robustness and reliability in various conditions.

How accurate is the HK SL7 rifle?

During testing, the HK SL7 demonstrated high accuracy for a sporting rifle, achieving hand-sized groups at 200 yards using iron sights with match-grade ammunition.

What is the trigger pull weight of the HK SL7?

The trigger pull on the HK SL7 was measured to be approximately 4.35 pounds (4 lbs 5.7 oz) using a Lyman trigger pull gauge, offering a lighter and more precise pull than its military counterparts.

How is an optic mounted on the HK SL7?

The HK SL7 features proprietary recesses in the receiver for scope mounting. A Nikon P308 scope was demonstrated using a specialized HK mount, though the system's thumb-tightening may be a concern for repeatable zero.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from Military Arms Channel

View all →