HK MR762 A4 7.62×51 16.5in 20rd M-LOK Black
Specs at a glance
About this product
The Heckler & Koch MR762 A4 is a purpose-built modern sporting rifle intended for reliable semi-automatic operation in 7.62×51 NATO. It combines HK’s short-stroke gas piston system with an adjustable gas regulator for tailored suppressed or unsuppressed operation. The A4 configuration features a slim M-LOK handguard, a threaded 16.5 inch barrel, and fully ambidextrous controls. The platform is supplied with a 20-round detachable magazine and a six-position synthetic stock for adaptable ergonomics.
Key Specifications
- The caliber is 7.62×51 NATO (.308).
- The barrel measures 16.5 inches and is threaded.
- The rifle ships with a 20-round detachable magazine.
- The action is semi-automatic utilizing a short-stroke gas piston.
- The overall length is 39.5 inches with the stock in its standard position.
- The listed weight is 9.84 lbs.
- The stock is a 6-position synthetic collapsible/folding design.
- The handguard is a slimline M-LOK layout for accessory mounting.
- The receiver features a fully ambidextrous lower and controls.
- The muzzle thread pattern is 5/8×24.
Built to provide durable, consistent performance, the MR762 A4 balances proven HK engineering with usable features for range use, precision practice, and general-purpose modern sporting applications. Its piston system reduces fouling in the action and the modular M-LOK handguard and adjustable stock let users configure the rifle to their preferred setup.
Key attributes
| upc | 642230269453 |
| manufacturer | Heckler & Koch / H&K |
| manufacturer part number | 81000829 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel length | 16.5" |
| caliber/gauge | .308 / 7.62 NATO |
| capacity | 20 |
| color | Black |
| length | 44 |
| model | MR762 A4 |
| number of magazines | 1 20 rd. |
| package height | 4.0 |
| package width | 13.2 |
| product type | AR |
| safety | Ambidextrous |
| shipping weight | 15.1 |
| sights | No |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |