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

AI One Piece Scope Mounts
Ring Cap Screws: 18 in-lbsScope Mount Clamp Screws: 31 in-lbs

AT / AX AICS
Action Retaining Screws: 53 in-lbs
Key Slot Accessories: 35 in-lbs
M3 & M3 Stockside Securing Screws: 7 in-lbs

AT / AX Rifles
Butt Pad Screws: 3.5 Nm (31 in-lbs)
Barrel Clamping Screw: 5.5 Nm (49 in-lbs)
Forend Retaining Screws: 5.5 Nm (49 in-lbs)

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