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Leapers PRO AR15 9 Super Slim Free Float Keymod Compatible Rail (MTU004SSK) User Manual

Page 8

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Carefully read the yellow warning sticker on

the Barrel Nut on which correct slot to use for

installation before removing the sticker. Fit the

free floating Barrel Nut on the upper receiver

and hand tighten. To test alignment, fit the

handguard over the barrel and place over the

Barrel Nut. Ensure the threaded holes on the

handguard align with the slots on the Barrel

Nut (9.1-2). If the alignment is correct then

move to step 10.

13

BARREL

THIS STEP IS VERY RARELY NEEDED

If you cannot achieve the proper alignment

(9.1-1), use included Spacer(s) to achieve

proper alignment of the threaded holes

on the handguard with the slots

on the Barrel Nut (9.1-2).

CORRECT

INCORRECT

(SPACERS REQUIRED)

9.1-1

BARREL

Spacer(s)

8

9

9.1-2

Use the Barrel Nut Wrench to securely tighten

the Barrel Nut with enough tension

(

35 ft-lb.)

.

(

We recommend using a torque wrench to

achieve proper tension).

Place the Barrel Nut Wrench in the second

slot (10.1) on the Barrel Nut (closer to the

receiver).

NEVER USE THE FIRST SLOT TO

TIGHTEN.

14

BARREL

BARREL

Torque

Wrench

2nd

Slot

Warning: These steps need to be done gently. DO NOT tighten aggressively. Apply a

smooth, steady pressure to fully secure the Barrel Nut. The teeth of the wrench must

be FULLY SEATED into the 2nd slot on the Barrel Nut each time you release and apply

pressure again.

10

11

10.1

10.1

Warning: Max. torque value for

installing barrel nut should not exceed

60 ft-lb.

3

5

ft

-lb

10.1