STG43 Parts

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Parts and Accessories for the Stemple Takdeown Gun (STG) U762x25

STG Universal Barrel Shroud - Steel - Long Pattern

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Now: $275.00

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Rail and Hardware Kit for STG Universal 7.5" Barrel Shroud

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Now: $36.50

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STG Universal Barrel Shroud - Steel 7.5"

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Now: $275.00

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STG Universal Charging Handle - Hook Pattern

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Now: $30.00

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STG Universal Charging Handle - Round Pattern

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Now: $30.00

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BRP STG T Shirt by Nine Line - Red

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Now: $25.00

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STG Universal Rear Takedown Pin for Lowers with AR Push Pin

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Now: $35.00

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STG Universal Buffer and Key Plate Shim

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Now: $4.00

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STG Universal Rear Takedown Pin SHIM for Lowers with AR Push Pin

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Now: $1.00

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Rear Takedown Pin Support Block for Lowers with AR Push Pin

MSRP:

Now: $45.00

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ALUMINUM Bolt Extension for ITP Setups - Shoulderless Pattern

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Now: $60.00

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STEEL Bolt Extension for ITP Setups - Shoulderless Pattern

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Now: $60.00

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Buffer Body for ITP Setups

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Now: $55.00

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STEEL Bolt Extension for ITP Setups

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Now: $60.00

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Double Picatinny Tripod Adapter

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Now: $550.00

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ALUMINUM Bolt Extension with Law Tactical Adapter for ITP Setups

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Now: $85.00

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ALUMINUM Bolt Extension for ITP Setups

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Now: $60.00

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Adjustable Bolt System - ALUMINUM Bolt Extension for CAR

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Was: $60.00

Now: $47.50

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Adjustable Bolt System - Heavy STEEL Bolt Extension for Lower Rates

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Was: $50.00

Now: $47.50

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Extension Adapter for Law Tactical Folding Stock Sets

MSRP:

Now: $25.00

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Stemple Suomi Blank Firing Barrel

MSRP:

Now: $275.00

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Spare Bottom Foam for STG Universal Case

MSRP:

Now: $25.00

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KP31 Barrel Spacer For Use on Stemple STG Setups: .4" thick

MSRP:

Now: $12.75

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Ejector U9 - 3 Pin

MSRP:

Now: $14.00

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STG Universal Barrel Shroud with Extra Rail (NiB Battleworn® Plated)

MSRP:

Now: $275.00

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BRP MG08 Pattern Stemple STG Spade Grip Kit for STG U9SF, U45, & U7.62

MSRP:

Now: $495.00

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KP31 Shroud Shim - .01" thick

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Now: $4.85

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S7 - STG Universal Extractor with Spring and Pin

MSRP:

Now: $35.00

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STG Universal Barrel Shroud with Extra Rail (NiB Plated)

MSRP:

Now: $265.00

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Hydraulic Buffer for Universal Adjustable Bolt System

MSRP:

Now: $105.00

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1/2" - 28 thread extension 1" long

MSRP:

Now: $21.00

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578" - 28 thread extension

MSRP:

Now: $25.00

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STG Vinyl Stickers 2" x 2"

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Now: $0.10

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KP31 Shroud Shim - .002" thick

MSRP:

Now: $4.85

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Ejector U45, U9SF, U7.62

MSRP:

Now: $14.00

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STG Universal Barrel Shroud with Extra Rail (Black Anodized)

MSRP:

Now: $250.00

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Suomi KP31, Swed M37, Stemple U9 Trigger Pack Sear Spring

MSRP:

Now: $5.20

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KP31 Barrel Shim - .001 thick

MSRP:

Now: $2.75

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1/2" - 28 thread protector

MSRP:

Now: $25.00

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Picatinny Rail for Shroud

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Now: $32.00

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578" - 28 thread protector

MSRP:

Now: $25.00

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KP31 Shroud Shim - .005" thick

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Now: $4.85

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Stemple STG 9mm Barrel 12.75"

MSRP:

Now: $175.00

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Stemple STG 9mm Barrel 16" Threaded 1/2-28

MSRP:

Now: $135.00

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PIAT Cleaning Brush

MSRP:

Now: $4.50

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Stemple Trunion Retaining Pins

MSRP:

Now: $12.50

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Suomi/STG Magazine Latch Assembly

MSRP:

Now: $22.00

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STG Combo Wrench

MSRP:

Now: $45.00

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STG Multi-Tool

MSRP:

Now: $17.50

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PPS43 Magazine

MSRP:

Now: $25.00

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STG 43 Screw and Pin Kit

MSRP:

Now: $10.00

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Adjustable Bolt System Mainspring - Extra Heavy

MSRP:

Now: $12.00

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STG Universal Barrel Shroud - Steel - Long Pattern

STG Universal barrel shroud for 4 lug trunions. Loosely patterned after the Danish short-barreled Suomi setup. Includes: Shroud Assembly Only. Rails, barrel, and swivel are NOT included. Fits...

MSRP:

Now: $275.00
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Rail and Hardware Kit for STG Universal 7.5" Barrel Shroud

Atlas BT15 Rail Kit for BRP STG Steel Shroud This is the rail setup that fits the threaded holes in the BRP STG Steel Shroud. This shroud is capable of mounting 4 rails at 90º increments. Kit...

MSRP:

Now: $36.50
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STG Universal Barrel Shroud - Steel 7.5"

STG Universal barrel shroud for 4 lug trunions. Loosely patterned after the Swedish M37 short-barreled Suomi setup. Fits all STG barrels greater than 8" long Material: Steel Finish: Black Oxide...

MSRP:

Now: $275.00
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STG Universal Charging Handle - Hook Pattern

STG Hook Pattern Charging Handle for: STG Universal STG 76 STG 76W STG 34k STG 43 Stemple Suomi

MSRP:

Now: $30.00
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STG Universal Charging Handle - Round Pattern

STG Round Pattern Charging Handle for: STG Universal STG 76 STG 76W STG 34k STG 43 Stemple Suomi

MSRP:

Now: $30.00
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BRP STG T Shirt by Nine Line - Red

BRP STG T-Shirt by Nine Line Red Shirt With White Artwork

MSRP:

Now: $25.00
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STG Universal Rear Takedown Pin for Lowers with AR Push Pin

STG Universal Rear Takedown Pin for Lowers with AR Push Pin for post-2020 Universal Fire Control Groups The Rear Takedown Pin secures the Receiver Assembly to the Lower Housing Assembly via an AR...

MSRP:

Now: $35.00
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STG Universal Buffer and Key Plate Shim

Included 1 x .003" thick Shim for: 1) Tightening the fit of the STG Buffer-to-Receiver fit. 2) Spacing the Key Plate rearward so it bottoms on the Buffer when the Castle Nut is tightened rather...

MSRP:

Now: $4.00
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STG Universal Rear Takedown Pin SHIM for Lowers with AR Push Pin

.001 thick Shim for tightening the fit of the STG Universal Rear Takedown Pin to Universal Fire Control Groups with AR Push Pins for post-2020

MSRP:

Now: $1.00
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Rear Takedown Pin Support Block for Lowers with AR Push Pin

STG Universal Rear Takedown Pin Support Block for Lowers with AR Push Pin in post-2020 Universal Fire Control Groups The Rear Takedown Pin Support Block and Pin is reversible to accommodate for...

MSRP:

Now: $45.00
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ALUMINUM Bolt Extension for ITP Setups - Shoulderless Pattern

Shoulderless ALUMINUM - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 •• With the rear shoulders removed from the extensions, the buffer tube does...

MSRP:

Now: $60.00
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STEEL Bolt Extension for ITP Setups - Shoulderless Pattern

Shoulderless STEEL - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 •• With the rear shoulders removed from the extensions, the buffer tube does not...

MSRP:

Now: $60.00
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Buffer Body for ITP Setups

Includes: Stripped Steel Buffer Body for ITP Setups and Sealing Ring * Parkerized Finish The rear threads are setup for standard AR and AR Carbine pattern buffer tubes. The Sealing Ring can be a

MSRP:

Now: $55.00
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STEEL Bolt Extension for ITP Setups

STEEL - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 This is the heavier extension for lower rates. This is typically used with the 45 and 7.62...

MSRP:

Now: $60.00
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Double Picatinny Tripod Adapter

This machined steel mount adapter is designed to attached two firearms with Picatinny rails to MG3 AA mounts, M240 pintles, M60 gooseneck pintles, and Browning pintles with .557" diameter pins...

MSRP:

Now: $550.00
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ALUMINUM Bolt Extension with Law Tactical Adapter for ITP Setups

ALUMINUM - CAR Length Bolt Extension with Law Tactical Adapter for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762. The Law Tactical folding stock adapters add approximately 1.3"...

MSRP:

Now: $85.00
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ALUMINUM Bolt Extension for ITP Setups

ALUMINUM - CAR Length Bolt Extension for STG Universal Internally Threaded Pattern (ITP) U9SF, U45, & U762 Reference Chart

MSRP:

Now: $60.00
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SALE

Adjustable Bolt System - ALUMINUM Bolt Extension for CAR

ALUMINUM - CAR Length Bolt Extension for STG Universal Heavy Bolt System U9SF, U45, & U762 This lighter bolt extension is typically necessary for proper function with weak 9mm ammo running in the...

MSRP:

Was: $60.00

Now: $47.50
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SALE

Adjustable Bolt System - Heavy STEEL Bolt Extension for Lower Rates

Steel - CAR Length Bolt Extension for STG Universal Heavy Bolt System U9SF, U45, & U762 This is the heavier extension for lower rates. This is typically used with the 45 and 7.62 setup. It can also...

MSRP:

Was: $50.00

Now: $47.50
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Extension Adapter for Law Tactical Folding Stock Sets

The Law Tactical folding stock adapters add approximately 1.3" to the overall length of the bolt stroke. This part screws into the rear of the Universal bolt extensions for use with Law Tactical...

MSRP:

Now: $25.00
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Stemple Suomi Blank Firing Barrel

Includes: 1 x Blanks Firing Barrel Ideal for use with Canadian Blanks 12.75" barrel for BRP Stemple Takedown Guns. FULL AUTO CHAMBER SPEC. 1 x 1/16" BFA Aperture for use with the...

MSRP:

Now: $275.00
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Spare Bottom Foam for STG Universal Case

STG Universal Case Bottom Foam Adhesive backing can be used if desired by peeling the white cover. Cutouts for: M3 45acp mags x 2 kp31 drums x 2 kp31 mags x 2

MSRP:

Now: $25.00
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KP31 Barrel Spacer For Use on Stemple STG Setups: .4" thick

STG Universal Barrel Bushing: fits between barrel and shroud for creating a tight barrel fit on the trunnion lugs. This is only necessary for using original Swedish and Finnish barrel shrouds on...

MSRP:

Now: $12.75
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Ejector U9 - 3 Pin

Standard replacement ejector compatible with Stemple STG ITP pattern trunions: Used with the STG U9SF Setup. Includes ejector blade and retaining pins. A faster bolt speed is necessary to ensure...

MSRP:

Now: $14.00
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STG Universal Barrel Shroud with Extra Rail (NiB Battleworn® Plated)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and...

MSRP:

Now: $275.00
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BRP MG08 Pattern Stemple STG Spade Grip Kit for STG U9SF, U45, & U7.62

Spade grip adapter setup for Stemple machine guns with heavy bolt systems with CAR pattern stocks. Includes: Rear Grip Assembly with Machined Steel Frame and MG08-Type Grips Trigger Puller...

MSRP:

Now: $495.00
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KP31 Shroud Shim - .01" thick

Copied from original parts and made from stainless steel. Thickness .01" This part tightens the barrel jacket to receiver fit by 'shimming' the rear of the barrel shroud to receiver/trunion...

MSRP:

Now: $4.85
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S7 - STG Universal Extractor with Spring and Pin

Newly manufactured extractor for all Universal configurations: U9, 34k, Stemple-Suomi, STG 76, U9SF, U45, U762, and post-2020 STG 1928s Includes extra power Wolff spring and mounting pin...

MSRP:

Now: $35.00
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STG Universal Barrel Shroud with Extra Rail (NiB Plated)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and...

MSRP:

Now: $265.00
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Hydraulic Buffer for Universal Adjustable Bolt System

Hydraulic Buffer for adjustable bolt system STG setups.

MSRP:

Now: $105.00
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1/2" - 28 thread extension 1" long

Steel Thread Extension for 1/2" - 28 Threaded U9, U7.62 & 34k barrel Features wrench flats for easy removal. (9/16" wrench) OAL: 1

MSRP:

Now: $21.00
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578" - 28 thread extension

Stainless Steel Thread Extension for 578" - 28 Threaded U9 and U45 Barrels. Features wrench flats for easy removal. (3/4 wrench)

MSRP:

Now: $25.00
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STG Vinyl Stickers 2" x 2"

2" x 2" vinyl sticker

MSRP:

Now: $0.10
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KP31 Shroud Shim - .002" thick

Copied from original parts and made from stainless steel. Thickness .002" This part tightens the barrel jacket to receiver fit by 'shimming' the rear of the barrel shroud to receiver/trunion...

MSRP:

Now: $4.85
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Ejector U45, U9SF, U7.62

Standard replacement ejector for Stemple STG pattern trunions: STG U45, U9SF, U7.62 Includes ejector blade and retaining pins.

MSRP:

Now: $14.00
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STG Universal Barrel Shroud with Extra Rail (Black Anodized)

STG Universal quad rail barrel shroud for 10", 10.35" and 16" barrels: The bottom rail in machined into the shroud. 1 accessory is included. Accessory rails can be attached to the top, left and...

MSRP:

Now: $250.00
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Suomi KP31, Swed M37, Stemple U9 Trigger Pack Sear Spring

M31 Trigger Pack Sear Spring for original KP31 and Stemple U series guns with Suomi pattern trigger packs

MSRP:

Now: $5.20
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KP31 Barrel Shim - .001 thick

Copied from original parts and made from stainless steel. Thickness .001" These are the most thin we could make. They are excellent for fine tuning your barrel to trunion to shroud fit...

MSRP:

Now: $2.75
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1/2" - 28 thread protector

Stainless Steel Thread Protector & Flash Hider for 1/2" - 28 Threaded for U9 and U7.62 10" and 16" barrels

MSRP:

Now: $25.00
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Picatinny Rail for Shroud

Picatinny Rail for MN shroud and Suomi Shrouds that have been drill and tapped by BRP 6.49" long Radius bottom 1 3/8" for shrouds and Stemple Receiver. 3x Mount Screws included (8-32 Low Head...

MSRP:

Now: $32.00
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578" - 28 thread protector

Stainless Steel Thread Protector & Flash Hider for 578" - 28 Threaded U9 and U45 Barrels. Features wrench flats for easy removal.

MSRP:

Now: $25.00
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KP31 Shroud Shim - .005" thick

Copied from original parts and made from stainless steel. Thickness .005" This part tightens the barrel jacket to receiver fit by 'shimming' the rear of the barrel shroud to receiver/trunion...

MSRP:

Now: $4.85
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Stemple STG 9mm Barrel 12.75"

12.75" barrel for BRP Stemple Takedown Guns. FULL AUTO CHAMBER SPEC. Extractor Location The extractor relief on this barrel is setup for the BRP-Stemple extractors and would have to be enlarged...

MSRP:

Now: $175.00
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Stemple STG 9mm Barrel 16" Threaded 1/2-28

16" barrel for BRP Stemple Takedown Guns. Works with slant pattern KP31 shroud. Will work with compensated shroud if the exit hole is opened to .635". Extractor Location The extractor relief...

MSRP:

Now: $135.00
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PIAT Cleaning Brush

Original PIAT bristle brush. Approximately 12" long with 1.5" diameter brush. Also, very useful for c

MSRP:

Now: $4.50
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Stemple Trunion Retaining Pins

Standard set of replacement Trunion Retaining Pins. (2 pins included)

MSRP:

Now: $12.50
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Suomi/STG Magazine Latch Assembly

M31 Magazine Latch Assembly: Latch, Spring, & Retaining Pin For Suomi KP31, & STG 34k, 76, 76w (please specify which type when ordering)

MSRP:

Now: $22.00
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STG Combo Wrench

Barrel tool with fitted socket for STG Barrel Locknuts, 3/4 wrench for removing the flash-hider, and spanner for suppressor disassembly.

MSRP:

Now: $45.00
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STG Multi-Tool

Type a description for this product here...

MSRP:

Now: $17.50
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PPS43 Magazine

Standard PPS43 Magazine. Also works with BRP/STEMPLE STG43 Not for sale where prohibited. Takes 7.62 x .25 We also use these with 9mm Luger ammunition in the STG43 setup as well. Customers...

MSRP:

Now: $25.00
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STG 43 Screw and Pin Kit

Screws, Spring, and Pin Set for STG 43 Lower Housing. Includes: 1: 8-32 X .25 socket set screw 1: 8-32 X .5 socket set screw 6: &nb

MSRP:

Now: $10.00
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Adjustable Bolt System Mainspring - Extra Heavy

CAR mainspring to be used with higher pressure .45acp and 7.62x25 ammo to reduce cyclic rate. This spring should not be used with the 9mm setup. STG Universal U7.62, U45, & STG 7.62

MSRP:

Now: $12.00
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U762 Spare Parts & Accessories