Leapers PRO AR15 9 Super Slim Free Float Keymod Compatible Rail (MTU004SSK) User Manual
Page 8

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