The Viking Tactics Modular Handguard System was designed with
the input of special operators from Viking Tactics and other highly
experienced military and police officers. With the VTac Modular
Handguard System JP has redesigned their previous modular hand
guard to offer the best versatility of any hand guard system out
there while retaining the light weight and cooling capacity of the
original JP hand guard. During the design process for the new V-Tac
Modular Hand Guard System, JP made sure to address four key
components of an effective rifle setup:
Safety: Depending on the optic/sight setup, it
was possible to grab the rifle in such a way as to touch the hot
gas tube with the first generation JP hand guard. JP has changed
the outer nut design and tube completely shielding this area to
prevent this from happening. The new nut also completely covers the
transitional area between the receiver and nut, preventing the
exposed tube from being crushed if the rifle is dropped on a rock
in just the right manner. The chances of this are remote, but in a
place like Iraq, anything can happen. A fringe benefit of this new
design is the reduction of the thermal optical distortion effect
from hot air off the barrel/gas tube rising in front of the scope
or sights under calm conditions.
Precision: The tube is now secured to the outer
nut with seven flathead screws for a rock solid relationship that
will never turn and remain precisely aligned to the upper receiver.
Thus, any accessories such as secondary sights, co-witnessed sights
or tactical lights stay in precise relationship to the upper
receiver improving accuracy and hit probability with those
accessories.
Versatility: JP designed full-length rifle and
carbine rail systems that extend the upper receiver rail interface
forward at 12:00 on the hand guard, allowing for the use of
co-witnessed IR equipment, secondary sights or flip-up iron. In
fact, there are four rail lengths available, two inch, four inch
and full-length carbine and rifle. These accessories allow a rail
configuration for virtually any possible accessory combination.
Integrity: This design features a dual-nut
system with a 6061 T6 outer receiver extension nut combined with a
carbon steel internal barrel retainer nut that can be secured with
a standard armorers wrench. This improves the overall structural
integrity of the barrel/receiver relationship and makes it possible
to achieve a precise 12:00 index of the tube regardless of where
the internal nut needs to be for proper torque.
The majority of the hand guard systems on the market have
permanent rails at the 6:00, 12:00, 3:00 and 9:00 positions.
Typically, you only need one or two sections of rail, and in many
cases, they are best utilized at the 1:30 or 10:30 clock positions,
not 9:00 and 3:00. Having to deal with the weight and uncomfortable
feel of all these rails where you don't need or want them is not
acceptable. These are just another example of products designed by
people who are not real shooters for customers who just want their
gear to look cool and don't actually use it. The V-Tac system
allows for complete flexibility. You can use as many rail systems
of whatever length makes sense when and where you need them and can
forget about rails you don't need.

JPHG-1M full length hand guard (shown with optional JPTR-R top
rail and JPTR-S Short Rail Kit positioned at 9:00)
Free floating tubular hand guards for the AR15 offer the
greatest improvement in accuracy of any single modification. In
addition to overall accuracy improvement, point of impact will not
change regardless of how the rifle is being shot, whether with a
bipod, sling or hand held. Assuming a good barrel and ammunition,
it's not uncommon for accuracy to improve from 1.5 -2.0 MOA to
sub-MOA with a properly installed free float tube.
The V-Tac modular hand guard is designed as a complete system to
improve not only the accuracy but the handling characteristics and
utility of the rifle. The floating studs included allow complete
flexibility in bipod positioning, whether all the way out for
maximum stability or all the way in next to the receiver for
fastest possible target indexing. Extra studs allow for proper
tactical sling setup as well.

JPHG-5M mid-length hand guard for 16" barrels with mid-length
gas system or can be used to cover the gas block on a carbine
system.
Two-piece design makes for an easy installation with a standard
armorers wrench with proper torque as opposed to a strap wrench on
one-piece tubes. There's no need to drill unsightly holes for studs
that may not align after disassembly/reassembly of the tube system.
All accessories can be quickly relocated at will. The radical
tapered nut and superb metal finishing make this the finest tube on
the market. The ventilated, fluted design is also 20% lighter than
standard tubes and also makes this the coolest running tube in
terms of heat dissipation. Posigrip center portion assures non-slip
grip regardless of weather conditions.

JPHG-4M carbine-length hand guard
The standard finish on all hand guards is non-glare matte black.
Each kit includes two sliding studs for sling or bipod attachment,
except for the carbine length, which includes one. There is also a
tapped 10-32 hole at 6:00 center for a permanent stud.
V-Tac modular hand guard with front sight pocket extension
piece for A2-type pinned sight on J4 barrel as designed at the
request of US special operators for use on M4 duty weapons. It is
shown here with Viking Tactics rail-mounted tactical light holder
and vertical pistol grip all mounted on JPTR-L rail kit at 6:00.
Also shown is the EOTec 512 Holographic sight and co-witnessed iron
with shorty A2 match rear sight, and ACE-SOCOM collapsible short
butt stock. This new hand guard creates maximum space for
accessories while retaining the military pinned sight on M4 14" or
16" barrels.
Specifications:
Rifle Length:
- Inside Diameter: 1.75"
- Outside Diameter: 2.00"
- Overall Length: 12.500"
- Weight: 15 oz
Mid-Length:
- Inside Diameter: 1.75"
- Outside Diameter: 2.00"
- Overall Length: 9.125"
- Weight:
Carbine Length:
- Inside Diameter: 1.75"
- Outside Diameter: 2.00"
- Overall Length: 7.125"
- Weight:
The product numbering system functions in the following
manner:
The number refers to the length of the tube. #1 for rifle length,
#4 is carbine length and the #5 is for the mid length. The letters
refer to the type barrel nut assembly required by a type of rifle
with "M" refering to any AR-15 variant.