Official Silverback video workshop

Silverback TAC-41 Short Front Rail Installation Guide

This official Silverback video demonstrates how the short front rail is fitted to the TAC-41 polymer stock, from preparing its nylon lugs to checking alignment with the receiver rail. Use this guide when you want to follow the filmed installation sequence and verify the source-defined rail layout, weight, and vertical-alignment details before moving on.

Complete guide Official video
Primary source
TAC-41
Official Silverback video workshop
Source-based overview
2:34
Evidence standard
Silverback TAC-41 Short Front Rail Installation Guide
5step by step
2:34Video
1Tools and parts explicitly identified
TAC-41platform hub

01Source-based overview

What this procedure does

The video follows a compact installation sequence. The screws and M-LOK T-nuts are shown installed on two nylon lugs, while the rubber pad is slid into place in the demonstrated orientation. The short rail is then placed against the TAC-41 polymer stock with both lugs engaged, and the screws are tightened evenly without excessive torque.

At the final checkpoint, a ruler is used to check the rail against the receiver rail. The grub screw can press the rubber pad to correct vertical alignment and cancel the free-float effect. Silverback describes the part as CNC aviation grade aluminium, weighing 48 grams with hardware excluded, with 95 mm of Picatinny rail and two 45-degree MLOK slots. The description lists compatibility with the SBA-STK-31BK, SBA-STK-31FDE, SBA-STK-31OD, and SBA-STK-31WG polymer stocks.

Tools and parts explicitly identified

  • ruler

Evidence standard

Every technical statement below is restricted to the official Silverback description, subtitles, on-screen text or visible action. Unstated torque values and compatibility claims are intentionally omitted.

What the footage makes clear

This walkthrough stays close to the official Silverback source. The expanded notes explain what is visible at each checkpoint, while measurements, compatibility and cautions remain limited to what Silverback actually states.

  • The five checkpoints follow the visual review observations at the fixed timestamps.
  • The rail dimensions, construction, weight, compatibility, and alignment description come from Silverback's official video description.
  • No official or automatic English or French subtitle track was available.
Specification Source value
Compatible polymer stock TAC-41
Compatible stock references SBA-STK-31BK, SBA-STK-31FDE, SBA-STK-31OD, SBA-STK-31WG
Construction CNC aviation grade aluminium
Weight 48 grams (hardware excluded)
Picatinny rail length 95 mm
MLOK slots 2 Mlok slots at 45° angle (1 on each side)
What does the Silverback short front rail fit?Which tools or parts are identified for Silverback TAC-41 Short Front Rail Installation Guide?

02Primary source

Watch the official Silverback tutorial

Every technical statement below is restricted to the official Silverback description, subtitles, on-screen text or visible action. Unstated torque values and compatibility claims are intentionally omitted.

What should I watch for before Prepare the two nylon lugs?Where does the official video show Check and correct vertical alignment?

03Procedure

Silverback TAC-41 Short Front Rail Installation Guide, step by step

TAC-41 Two nylon lug assemblies are shown with their screws and M-LOK T-nuts installed.
Two nylon lug assemblies are shown with their screws and M-LOK T-nuts installed.
TAC-41 The rubber pad is seated in its shown orientation beneath the rail, with the grub-screw head set tangent to the lower surface.
The rubber pad is seated in its shown orientation beneath the rail, with the grub-screw head set tangent to the lower surface.
TAC-41 The short rail is held against the TAC-41 polymer stock with both nylon lugs engaged.
The short rail is held against the TAC-41 polymer stock with both nylon lugs engaged.
TAC-41 The two fasteners are tightened evenly while the short rail remains seated against the stock.
The two fasteners are tightened evenly while the short rail remains seated against the stock.
01Prepare the two nylon lugsThe opening view shows the screws and M-LOK T-nuts installed on two nylon lugs. Compare the frame with the separate short rail hardware and confirm that both lug assemblies are present before moving on. These lug assemblies are the parts that will engage the lateral MLOK slots on the TAC-41 polymer stock. Video: 00:20 ↗
02Position the rubber padThe rubber pad is slid into place in the orientation shown, while the grub-screw head is set tangent to the lower rail surface. This detail matters because the grub screw will later press the pad to adjust vertical alignment. Once the pad and grub screw are positioned, the rail is ready to be brought against the stock. Video: 00:47 ↗
03Engage the rail with the stockThe short rail is placed against the TAC-41 polymer stock, and both nylon lugs are engaged with the lateral MLOK slots. Compare the frame for the two engaged lugs and the rail’s position against the stock before moving on. With the rail held in this position, the installed screws can be tightened evenly. Video: 01:20 ↗
04Tighten the screws evenlyAt this checkpoint, the screws securing the two lugs are tightened evenly, without excessive torque. The visual comparison is the even seating of the rail against the stock as the fasteners are tightened. This leaves the assembly ready for the separate receiver-rail alignment check. Video: 01:40 ↗
05Check and correct vertical alignmentA ruler is used to check the short rail’s alignment with the receiver rail. The grub screw can press the rubber pad to correct the vertical alignment and cancel the free-float effect. The frame at this point shows the completed alignment check and connects the installation to Silverback’s stated 95 mm Picatinny rail aligned with the receiver rail. Video: 02:20 ↗
Source-stated cautions
  • If you are using a bipod, Silverback suggests mounting it on the tripod mount.
Checks shown or stated
  • Both nylon lugs are engaged with the lateral MLOK slots.
  • The screws are tightened evenly without excessive torque.
  • The ruler checks alignment with the receiver rail.
  • The grub screw can press the rubber pad to correct vertical alignment and cancel the free-float effect.
How do I complete Prepare the two nylon lugs safely?What must I check after Check and correct vertical alignment?

04FAQ

TAC-41 tutorial questions

What does the Silverback short front rail fit?

The description states that this rail section fits the TAC-41 polymer stock and lists SBA-STK-31BK, SBA-STK-31FDE, SBA-STK-31OD, and SBA-STK-31WG.

How is the rail mounted to the stock?

It is mounted on the lateral MLOK slots with two nylon lugs.

What alignment feature does the rail use?

A rubber pad pushed by a grub screw helps adjust vertical alignment and cancel the free-float effect.

Complete guide TAC-41Shop the platform: TAC-41
What does the Silverback short front rail fit?How is the rail mounted to the stock?
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