Manual
52
53
MR762 A1 (Item 1 - 101) 235 974
— Upper receiver, compl. (Item 1 - 19) 235 993
— Barrel MR762 16.5’’, compl. (Item 1 - 5) 235 999
1 Flash hider, compl. 237 016
2 Gas block 235 880
3 Clamping sleeve for gas block (2x) 978 330
4 Barrel nut 233 791
5 Barrel MR762 16.5’’, assembled 236 201
6 Gas piston, compl. 205 381
7 Rod, compl. 203 648
8 Upper receiver, assembled 235 984
9 Axle for cover 233 787
10 Ejection port cover, compl. 233 808
11 Clamping sleeve 928 807
12 Elbow spring 235 012
13 Clamping sleeve for forward assist 979 313
14 Pressure spring for forward assist 203 635
— Forward assist, compl. (Item 15-19) 203 599
15 Pressure bolt for forward assist 203 637
16 Pressure spring for pressure bolt 203 636
17 Locking piece for forward assist 203 601
18 Pressure bolt for locking piece 979 293
19 Retainer, compl. 203 600
— Charging handle, compl. (Item 20-25) 227 491
20 Clamping sleeve (2x) 984 198
21 Clamping sleeve for plate 928 390
22 Charging handle 233 779
23 Plate 227 613
24 Pressure spring 227 638
25 Pawl, compl. 236 347
— Handguard, compl. (Item 26 -29) 235 870
26 Handguard 235 874
27 Locking screw for handguard (2x) 236 203
28 Grooved bolt (2x) 233 802
29 Pressure spring 233 087
— Bolt group, compl. (Item 30-48) 236 591
— Bolt head, compl. (Item 30-38) 236 592
30 Bolt head 235 878
31 Axle for extractor 971 919
32 Clamping sleeve 233 790
33 Rubber plug 207 779
34 Pressure spring 205 407
35 Extractor 233 764
36 Clamping sleeve 984 199
37 Ejector (2x) 205 408
38 Pressure springs for ejector (2x) 209 531
39 Control bolt 233 759
— Bolt head carrier, compl. (Item 40-46) 236 297
40 Pressure spring 205 407
41 Catch 233 761
42 Clamping sleeve for catch 984 153
43 Compression spring 235 022
44 Bolt 235 238
45 Pin 235 888
46 Bolt head carrier 236 298
47 Pressure spring for firing pin 233 674
48 Firing pin 235 654
— Lower receiver, compl. (Item 49-101) 235 986
49 Buffer, compl. 233 777
50 Recoil spring 233 760
— Lower receiver, assembled (Item 51-84) 235 987
51 Stop pin for locking pin 233 115
52 Pressure spring 233 116
53 Locking pin, compl. 235 930
54 Hammer, compl. 227 693
55 Axle for hammer 235 346
56 Disconnector 227 695
57 Pressure spring 233 149
58 Sear release rocker 235 731
59 Pressure spring 235 000
60 Bridge 203 593
61 Trigger 235 732
62 Axle for trigger 227 886
63 Bolt catch/release 233 785
64 Clamping sleeve for bolt catch/release 979 292
65 Pressure spring for pressure pin 233 132
66 Pressure pin 233 131
67 Magazine catch 227 689
68 Pressure spring for retainer 233 716
69 Retainer for magazine catch 233 793
70 Clamping sleeve for retainer 928 077
71 Clamping sleeve for safety lever (2x) 984 199
72 Safety lever (2x) 227 870
73 Safety roller 236 274
74 Pressure spring for locking pin 233 121
75 Locking pin for buffer 233 120
76 Clamping sleeve for locking pin 986 544
77 Trigger guard, compl. 233 153
78 Clamping sleeve for trigger guard 979 294
79 Stop pin 236 687
80 Pressure spring for stop pin 233 136
— Pistol grip, compl. (Item 81-82) 234 671
81 Pistol grip 234 672
82 Cover, compl. 234 668
83 Cylindrical screw 979 355
84 Lower receiver 235 988
85 Locking pin, compl. 235 931
86 Stop pin for locking pin 233 115
87 Pressure spring 233 116
88 Cylindrical pin for stop pin 978 316
89 Plate 233 770
90 Nut for extension 233 769
91 Extension for buttstock, compl. 227 473
— Buttstock concave, compl. (Item 92-101) 236 624
— Buttstock, assembled (Item 92-99) 235 917
92 Buttstock 235 918
93 Bolt 227 378
94 Pressure spring 234 688
95 Release lever 235 920
96 Clamping sleeve 968 761
97 Pressure spring 212 846
98 Insert 235 919
99 Threaded pin 967 662
100 Hexagonal Allen key 235 932
101 Buttstock cap, concave 227 616
Every attempt has been made to ensure the accuracy of
this information, however errors or changes may occur.
Item Description Part Number
Item Description Part Number
PARTS LIST (FOR EXPLODED DIAGRAM, PAGES 50-51)
SECTION 11 — SPECIFICATIONS
Caliber 7.62 x 51 mm NATO
Operating principle Gas operated, short stroke piston
Bolt system Rotating bolt
Feed mechanism Magazines, 10/20 rounds
Mode of fire Semi-automatic
Dimensions
Length, maximum (stock extended) 39.50 in / 1003 mm
Length, minimum (stock retracted) 36.00 in / 914 mm
Width 3.23 in / 82 mm
Height 8.39 in / 213 mm
Barrel length 16.5 in /421 mm
Weight
Rifle (with empty magazine) 9.94 lb / 4.5 kg
Magazine (empty 10 round magazine) .34 lb / .15 kg
Other
Trigger pull (Two-stage trigger) 20-25 N ( approximate)
Barrel profile lands & grooves, 4 grooves, right twist, 1 in 11 in (280 mm)
Adjustable buttstock 5 positions, 80 mm of travel
NOTE: Different sights and optics can be mounted on the HK Free Floating Rail System (Picatinny type, MIL-STD-1913), all specications and
technical data subject to modification
WARRANTY REGISTRATION
Heckler & Koch warranty registration for new firearms is now on-line. To register your new
MR762A1 go to...http://hk-usa.com/warranty/register.html
If you don’t have access to the internet, call HK Customer Service at 706-568-1906 to
obtain a warranty card.