Heckler&Koch MR762A1 - Manual (Page 11)

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SECTION 5 — AMMUNITION
By using ammunition with match bullets or other match grade ammunition the MR762A1
will achieve the best level of accuracy. Use ammunition of the appropriate caliber and
of recent manufacture. The MR762A1 is chambered for 7.62 x 51 mm ammunition and
will functioned safely and reliably with most high quality 7.62 x 51 mm and Caliber .308
Winchester ammunition.
NOTE: Use only high quality 7.62 x 51 mm NATO or Caliber .308 Winchester
ammunition in the MR762A1 rifle. Damage caused by the use of improperly assembled
or remanufactured ammunition may void the HK Warranty. Do not use ammunition
assembled with corrosive components (primers, propellants, etc.).
The MR762A1 is designed to use ammunition made to NATO or SAAMI specifications.
DO NOT USE
• Reloads or remanufactured ammunition. Beware of military surplus, foreign or outdated
ammunition.
• Non-jacketed or exposed lead ammunition.
• Corrosive ammunition (primer and/or propellant).
• Empty cases as “dummy“ (inert) rounds, as damage may result. Use complete dummy
rounds available for training purposes.
• Any ammunition that exceeds NATO or SAAMI (Sporting Arms and Ammunition
Manufacturers’ Institute) pressure limits.
• Cartridges that are not 7.62 x 51 mm or Caliber .308 Winchester.
• Seriously corroded ammunition.
• Dented Cartridges.
• Cartridges with loose bullets.
• Cartridges exposed to extreme heat above 135°F (57°C) until they have cooled.
• Use only authorized ammunition that is manufactured to NATO and SAAMI specs.
• Ammunition that is wet or dirty.
WARNING: Only use ammunition designed to NATO and SAAMI specifications that
is factory-loaded, undamaged, and of the correct caliber. The use of low powered
cartridges could lead to functional stoppages (including bullets stuck in the barrel)
and is not recommended.
SECTION 6 — INSTRUCTIONS FOR USE
LOADING A MAGAZINE
Magazines may be loaded by hand, one round at a time, or quickly loaded using a
magazine loader. Loading a magazine by hand is depicted below (Fig. 28).
Filling the magazine
1. Hold the magazine with one hand. Place the cartridges onto the follower between the
magazine lips and push the cartridge, with your thumb, down underneath the lips and
ensuring the projectile is facing the front of the magazine and that the cartridge rim is
fully to the rear of the magazine.
2. Repeat this step until the magazine is filled with the appropriate number of cartridges
(10 or less for a 10-round magazine and 20 or less for 20-round magazines). Do not
overfill magazines.
Single rounds
Magazines may be loaded with one round at a time by inserting the cartridge case in
while depressing the follower and seating the case in until the projectile clears the front of
the magazine. Continue this each time until the magazine is full. During and when finished
filling the magazine gently tap the back of the magazine against the palm of your hand to
ensure the rounds are seated properly.
CAUTION: Ensure cartridges, especially those to be loaded into the magazine, are
free of sand, mud, moisture, frost, snow, ice, grease, or other foreign matter.
Fig. 28 – Loading Magazine
WARNING: If the rifle is dropped or jarred with a loaded magazine in place and the
bolt to the rear, it could chamber a round. Failure to follow this warning may cause
injury or death.
Emptying the magazine
Hold the magazine with one hand. Push the cartridges forward out of the magazine with
the thumb of the other hand. Do not allow the cartridges to drop on a hard surface or they
may become damaged. Do not unload cartridges using another cartridge, damage to the
cartridge or injury to the operator may occur.