K-Rail Model 3 - Samson Manufacturing

K-RAIL MODEL-3
Samson K-Rail Model 3
Installation Manual, Revision 01
1.0 General Information
The Samson K-Rail Model 1 handrail replaces most Bulgarian Krinkov standard handguards. Its two piece design clamps
to the barrel trunnion area. Upper rail contains a clearance slot for use of iron sight and includes four 1913 mil spec rails
for mounting popular lights and accessories. Lower rail cut out to accommodate underfolder stock. Assembled rail contains
side clearance for side folding stock. Common attachments include Samson® Vertical Grip or Grip Pod, WeaponLights®
and other accessories.
Part Number:
Interface:
Dimensions:
Weight:
Material:
CAGE:
K-RAIL MODEL-3
Bulgarian Krinkov
4” Long
9 oz.
6061 Aluminum Rails w/ Laser Engraving;
Hard Coat Anodized Coating (MIL-A-8625F, Type III, Class 2)
037R7
KIT CONTENTS
ITEM
1
2
3
4
5
6
7
8
DESCRIPTION
Upper Rail
Lower Rail
10-32x3/8 Socket Flat Head Screws
Clamps
10-32 Set Screws
10-32x3/4 Socket Head Cap Screw
1/4-20 Set Screws
Hex Head Wrenches
QUANTITY
1
1
4
2
4
1
2
3
NOTES
Clamp/Rail Screws
Rail Screws
Clamp Screw
Rotation Alignment
1 of 4
Samson Manufacturing Corp., 110 Christian Lane, Whately, MA 01373
Phone: (888) 665-4370 or (413) 665-1162, E-Mail: sales@samson-mfg.com
K-RAIL MODEL-3
Samson K-Rail Model 3
Installation Manual, Revision 01
2.0 Installation
2.1 Remove Existing Handrails
Remove existing handrails as per manufacturer
instructions.
2.2 Install Clamps
Place two clamps (item 4) around barrel trunnion area of
weapon as shown. Insert clamp screw (item 6) through
clamps. Leave clamp screw loose to accommodate
insertion of rails and final rail assembly placement.
2 of 4
Samson Manufacturing Corp., 110 Christian Lane, Whately, MA 01373
Phone: (888) 665-4370 or (413) 665-1162, E-Mail: sales@samson-mfg.com
K-RAIL MODEL-3
Samson K-Rail Model 3
Installation Manual, Revision 01
2.3 Install Lower Rail
Align lower rail (item 2) screw holes and clamp/rail
opening with clamp screw holes and clamp screw. Slide
lower rail onto clamps.
2.4 Install Clamp / Rail Clamp Screws
Insert and tighten four clamp / rail screws (item 3, two
each side).
2.5 Install Upper Rail
Push upper rail (item 1) down onto lower rail through
four rail slots (two each side). Slide upper rail back to
lock upper rail tabs into lower rail. Loosen clamp screws
and clamp / rail screws as required to accommodate
installation of upper rail.
3 of 4
Samson Manufacturing Corp., 110 Christian Lane, Whately, MA 01373
Phone: (888) 665-4370 or (413) 665-1162, E-Mail: sales@samson-mfg.com
K-RAIL MODEL-3
Samson K-Rail Model 3
Installation Manual, Revision 01
2.6 Install Rail Screws
Install two rail screws (item 5) through lower rail to
connect lower and upper rails. Leave rails screws loose
until final positioning of assembled rail.
2.7 Install Set Screws
Install two setscrews (item 7, one each side) until
making contact with barrel (do not tighten).
2.8 Align Rail
Adjust rotation of assembled rails with respect to
receiver and front sight by adjusting tightness of left and
right set screws so that assembled rail is aligned with
receiver and front sight.
After positioning assembled rail, tighten clamp screw
(item 6), four clamp/rail screws (item 3) and two rail
screws (item 5). After tightening all hardware, ensure
assembled rail does not rattle or move with respect to
weapon body.
4 of 4
Samson Manufacturing Corp., 110 Christian Lane, Whately, MA 01373
Phone: (888) 665-4370 or (413) 665-1162, E-Mail: sales@samson-mfg.com