Torque Specs
The following torque specs were gathered through various means, and to the best of our ability. We do not guarantee that they are correct, or that the manufacturer has not changed them.
Accuracy International
Aimpoint
Acro C-1/P-1
Mount to Rail: 27 in-lbs
Mount to Sight: 27 in-lbs
Micro H1/H2
Mount to Rail: 18 in-lbs
Mount to Sight: 7 in-lbs
Micro S1
Mount to Rail: 9 in-lbs
Mount to Sight: 9 in-lbs
Micro T-1/T-2
Mount to Rail: 18 in-lbs
Mount to Sight: 7 in-lbs
Micro Mount for Dovetail
Mounting screws for H2: 12 in-lbs
Mounting screws for H1: 7 in-lbs
Micro Tikka T3
Mounting screws: 11.5 in-lbs
American Rifle Company
M10 Scope Rings
Scope Clamp Screws: 50-55 in-lbs
Rail Clamp Screws: 50-55 in-lbs
M10 QD-L Scope Mount
Scope ClampScrews: 50 in-lbsRail Clamp Thumb Screws: Finger Tight
Mausingfield Action
Rail to Receiver Screws: 45 in-lbs
Barloc
Clamping Screw: 90 in-lbs
Badger Ordnance
Scope Mounts
Ring Screws: 15-18 in-lbs
Crossbolts: 65 in-lbs
Barrett
MRAD
Barrel Retaining Screws: 140 in-lbs
Rail Accessories: 25 in-lbs
Fieldcraft
Front Action Bolt: 80 in-lbs
Rear Action Bolt: 36 in-lbs
Bergara
Premier & Custom Rifle Series
Action Screws: gradually tighten until 55 in-lbs
B14 Rifle Series
Stock Screws: 7 Nm (62 in-lbs)
Desert Tech
DT Scope Mount
Base Screws: 80 in-lbs
Ring Screws: 15 in-lbs
HTI
Barrel Retention Screws: 80 in-lbs
Stock Panel Screws: 24 in-lbs
Trigger Position Screw: 24 in-lbs
Trigger Mounting Screws: 24 in-lbs
Sling Stud Screw: 24 in-lbs
Cheek Piece Screw: 24 in-lbs
Rail Segment Screws: 8 in-lbs
SRS
Barrel Retention Screws: 80 in-lbs
Stock Panel Screws: 8 in-lbs
Trigger Screw: 24 in-lbs
Trigger Mounting Screws: 24 in-lbs
Sling Stud Screw: 24 in-lbs
Cheek Piece Screw: 24 in-lbs
Rail Segment Screws: 8 in-lbs
MDR
Barrel Retention Screws: 80 in-lbs
Handguard Screws: 30 in-lbs
DTRO Mount: 30 in-lbs
Eotech
512/552
Mounting bolt: 17 in-lbs
XPS2/XPS3
Mounting bolt: 17 in-lbs
Geissele Automatics
Super Precision® - AR15 / M4 Scope Mounts
Ring Screws: 15-18 in-lbs
Crossbolts: Do Not Exceed 70 in-lbs
Glock
Front sight screw: 6 in-lbs
Hawke Optics
Base screws: 30 in-lbs
Cap screws: 16 in-lbs
Hawkins Precision
Ultra Light Tactical Scope Rings
Ring Screws: 25 in-lbs
Crossbolts: 65 in-lbs
H-S Precision
Scope Mounts
Rifles & Stocks
Action Screws: 65 in-lbs
J Allen Enterprises
JAE 700 / 700 XL
Action Screws: 65 in-lbs
JP Enterprises
APAC Chassis
Action Screws: Front 45 in/lb, Rear 30 in-lb
Hand Guard Screws: 32 in-lb
Buttstock Adjustment Plate Screws: 32 in-lb
Kahles
Ring Screws: 21 in-lbs (max)
Zero Stop Screws: 8 in-lbs
Turret Screws: 8 in-lbs
Kinetic Research Group (KRG)
Whiskey-3 Chassis (Gen 6)
Action Screws: 65 in-lbs
Bravo Chassis
Action Screws: 65 in-lbs
Screw located behind Action Screws: 45 in-lbs (after Action Screws have been tightened)
X-Ray Chassis (Gen 3)
Action Screws: 65 in-lbs
X-Ray Chassis (Gen 2)
Action Screws: 35 - 50 in-lbs
180 X-Ray Chassis
Action Screws: 65 in-lbs
Leupold
Tactical Mounts (including Mark 2, Mark 4, Mark 6, Mark 8)
Ring Screws: 25 in-lbs
Crossbolts: 65 in-lbs
Hunting Mounts
Ring Screws: 25 in-lbs
Base Screws: 45 in-lbs
Manners
For Remington size screws / actions
Action Screws: 65 in-lbs Front / 45 in-lbs Rear
Magpul
PRO 700 Rifle Chasis
Action Screws: 55-60 in-lbs
Grip Screw (for Trigger Reach adjustment): 35 in-lbs
Butt Pad Retaining Screws: Hand tight to 10 in-lbs
Masterpiece Arms
BA Chassis System
Action Screws: Sequence is as follows: Front- 25 in-lbs then Rear - 25 in-lbs, then Front - 65 in-lbs then Rear - 65 in-lbs
McMillan USA
All Stock Models
Action Screws: 4–45 in-lbs
M-LOK Accessories
Polymer to metal: 15 in-lbs
Polymer to polymer: 15 in-lbs
Metal to metal: 35 in-lbs
Modular Driven Technologies (MDT)
MDT Elite / Premier Scope Rings
Ring Cap Screws: 18-20 in-lbs
Ring Base Screws: 25-30 in-lbs
MDT 20 MOA Scope Base / MDT ESS Tall Scope Base
Attachment Screws: 25 in-lbs
MDT ESS Chassis
Action Screws: 60 in-lbs
Forend Attachment Screws: 30 in-lbs
MDT LSS-XL Gen2
ActionScrews: 60 in-lbs
MDT Tac21 Chassis
ActionScrews: 60 in-lbs
MDT LSS Chassis
ActionScrews: 65 in-lbs
MDT HS3 Chassis
ActionScrews: 65 in-lbs
MDT LSS-22 Chassis
Actions Screws: 30 in-lbs (adjust torque to improve accuracy)
MDT ESS Chassis
ActionScrews: 60 in-lbs
Forend Attachment Screws: 30 in-lbs
Nightforce
Ring Screws: 25 in-lbs
Crossbolts: 68 in-lbs
Base & Direct Mount attachment screws: 25 in-lbs
Zero Stop Screws: 4 in-lbs
Turret Screws: 4 in-lbs
Note: Crossbolts on six-screw 34mm rings: 100 in-lbs
Q
The Fix
M1913 Accessory Rail Screws: 40 in-lbs
Length of Pull Adjustment Screw: 35-40 in-lbs
Comb Height Adjustment Screw: 35-40 in-lbs
Barrel Nut: 40 ft-lbs (please note this in ft lbs)
Barrel Cross Bolt: 40 in-lbs
Handguard Draw Bolt and Cross Bolt: 40 in-lbs
Top Rail Screws: 40 in-lbs (start at back and work towards front of Handguard)
Remington
700
Front action screw: 55-60 in-lbs
Middle action screw: 40-45 in-lbs
Rear action screw: 15-20 in-lbs
Ruger
10/22
V-block screws: 10-20 in-lbsAction screw: 15-20 in-lbs (most people seem to prefer 20)
RPR
Barrel Nut: 35-50 ft-lbs (please note this in ft lbs)
Handguard Screws: 25 in-lbs
Ruger American Rifle
Action screws: 60-80 in-lbs
Seekins Precision
SP15
NOXs Handguard Screw: 25 in-lbs
SP3R & MCSR Handguard Screws: 25 in-lbs
AR Grip Screw: 25 in-lbs
SP10
Handguard Screw: 25 in-lbs
AR Grip Screw: 25 in-lbs
Havak
DBM Set Screw: 20 in-lbs
DBM screws: 55 in-lbs
Scope Base Screws: 25 in-lbs
30-35mm Scope Rings: 20 in-lbs (Cap) 50-55 in-lbs (Clamp)
I-inch Scope Rings: 20 in-lbs (Cap) 50-55 in-lbs (Clamp)
Sig Sauer
MCX
Barrel Screws: 60 in-lbs
MPX
Barrel Screws: 40 in-lbs
ROMEO zero
Mounting Screw: 9 in-lbs
Spuhr
Ring Screws: 25 in-lbs
Base Screws: 45 in-lbs
Accessory Screws: 25 in-lbs
Swarovski
Ring Screws: 18 in-lbs
Talley Manufacturing
Lightweight Rings
Ring Screws: 17-20 in-lbs
Base Screws: 22-25 in-lbs
Steel Fixed Rings
Top Screw: 20 in-lbs
Bottom Screw: 30 in-lbs
Picatinny Rings:
Ring Screws: 20 in-lbs
Crossbolts: 65 in-lbs
Trijicon
RMR
Mounting Screw: 12 in-lbs
US Optics
Foundation Series
Turret screws (silver/black): 5 in-lbs
Vortex
Ring Screws: 18 in-lbs
Base Clamp Screws: 45-50 in-lbs
Zero Stop Screws: 8 in-lbs
Turret Screws: 8 in-lbs
Sparc Solar
Base screws: 20 in-lbs
Warne
Ring screws: 25 in-lbs
Base clamp screws: 65 in-lbs
XLR Industries
Element, Evolution, Evolution HD, Evolution BMG Chassis
Action Screws: 65 in-lbs
Buffer Tube Set Screw: 10 in-lbs
Grip Screw: 45 in-lbs
Handguard Cap Screws: 35 in-lbs
Trigger Guard: 25 in-lbs
Carbon Chassis
Action Screws: 65 in-lbs
Buffer Tube Set Screw: 10 in-lbs
Grip Screw: 45 in-lbs
Handguard Cap Screws: 35 in-lbs
Handguard Bottom Bolts: 35 in-lbs
Trigger Guard: 25 in-lbs
Envy Chassis
Action Screws: 65 in-lbs
Buffer Tube Set Screw: 10 in-lbs
Grip Screw: 45 in-lbs
XLR Scope Rings
Ring Screws: 25 in-lbs
Side Plate: 45 in-lbs
ZRODelta
DLOC-M4 and DLOC-M2 Scope Mount
Ring Screws: 14 in-lbs
Side Knob: 44 in-lbs