STG U9 Spare Parts

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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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Stemple Trunion Assembly - Slide Lock Pattern

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Now: $390.00

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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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Slide Lock Trunion: Trunion Body with Ejector

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Now: $250.00

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Slide Lock Trunion: Locking Piece

MSRP:

Now: $120.00

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Internally Threaded Pattern (ITP) Trunion Assembly

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Now: $395.00

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Internally Threaded Pattern (ITP) and Slide Lock Trunion: Locking Pin

MSRP:

Now: $15.00

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Slide Lock Trunion: Spacer - Stainless Steel

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Now: $5.00

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STG34 - U Lower Assembly

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U Lower Assembly - Nib Plated - Black Distressed

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STG Steel Glock Compatible 9mm & 45 ACP Mag Housing

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Now: $600.00

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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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STG Universal 9mm Bolt for standard rate and ITP standard and slow fire setups ( with NiB One™ plating)

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Now: $375.00

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Folding Universal Slow Fire Stock and Buffer Assembly for ITP Setups

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Now: $540.00

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Universal Slow Fire Stock and Buffer Assembly for ITP Setups

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Now: $360.00

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U9 Folding Stock and Buffer Assembly - for ITP Setups

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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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STG U Magazine Housing (complete) Aluminum NiB Plated (Black Distressed)

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Now: $395.00

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Spare Bottom Foam for STG Universal Case

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Now: $25.00

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9mm SMG Chamber and Headspace Gauge

MSRP:

Now: $36.00

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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 U Magazine Housing (complete) Steel

MSRP:

Now: $405.00

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U9 8.3" Barrel

MSRP:

Now: $150.00

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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

MSRP:

Now: $4.85

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S7 - STG Universal Extractor with Spring and Pin

MSRP:

Now: $35.00

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U9 8.64" barrel threaded 1/2"-28

MSRP:

Now: $150.00

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STG Universal Barrel Shroud with Extra Rail (NiB Plated)

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Now: $265.00

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STG U Magazine Housing (complete) Aluminum NiB Plated (silver)

MSRP:

Now: $375.00

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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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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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Stemple Trunion Assembly - Slide Lock Pattern

Standard replacement Trunion Assembly for Stemple STG Standard Bolt Setups without pin mounts: Includes trunion, ejector, locking piece, locking pin, and spacer. Compatible with U9, 76, Stemple...

MSRP:

Now: $390.00
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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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Slide Lock Trunion: Trunion Body with Ejector

Trunion Body with Ejector for Slide Lock Trunion Assembly Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

MSRP:

Now: $250.00
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Slide Lock Trunion: Locking Piece

Locking Piece for Slide Lock Trunion Assembly Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

MSRP:

Now: $120.00
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Internally Threaded Pattern (ITP) Trunion Assembly

Threaded Trunion Assembly for Internally Treaded Patter (ITP) setups This is the Trunion for Stemple STG ITP setups: U9, U9SF, U45, Stemple Suomi. Includes: Threaded Trunion Trunion Locking...

MSRP:

Now: $395.00
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Internally Threaded Pattern (ITP) and Slide Lock Trunion: Locking Pin

Trunion Locking Pin for Slide Lock Trunion Assembly and Internally Treaded Patter (ITP) setups Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

MSRP:

Now: $15.00
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Slide Lock Trunion: Spacer - Stainless Steel

Spacer (.030) for Slide Lock Trunion Assembly Stainless Steel Compatible with Stemple STG Standard Bolt Setups Slide Lock Trunion systems

MSRP:

Now: $5.00
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STG34 - U Lower Assembly

In 2003, the original inventor, John Stemple collaborated with BRP Corp to make new and replacement parts for the Stemple 76/45 receivers he manufactured prior to the 1986 cutoff. From this came a...

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U Lower Assembly - Nib Plated - Black Distressed

Standard U Lower Assembly for use with all U9, U9SF and U45. The select-fire trigger pack is installed and timed for use with Standard Universal setups. Also Includes: Rear Takedown Pin Rear...

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STG Steel Glock Compatible 9mm & 45 ACP Mag Housing

For those of you looking for fast mag changes: this modular magazine housing assembly allows for the use of either 9mm or 45 ACP Glock-pattern magazines. The main housing sleeves over the receiver...

MSRP:

Now: $600.00
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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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STG Universal 9mm Bolt for standard rate and ITP standard and slow fire setups ( with NiB One™ plating)

Original STG Universal 9mm Bolt with Extractor for STG Universal (STG-U) Compatible with U9 standard-rate setups and both ITP standard and slow fire setups. For use with: All U9s U9 & U9SF -...

MSRP:

Now: $375.00
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Folding Universal Slow Fire Stock and Buffer Assembly for ITP Setups

Law Tactical Folding Stock and Buffer Assembly Compatible Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the adjustable bolt system. Includes: Buffer...

MSRP:

Now: $540.00
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Universal Slow Fire Stock and Buffer Assembly for ITP Setups

Standard Replacement Stock and Buffer Assembly for Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the adjustable bolt system. Includes: Buffer...

MSRP:

Now: $360.00
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U9 Folding Stock and Buffer Assembly - for ITP Setups

Standard Replacement Stock and Buffer Assembly U9 for Stemple 76/45 Internally Threaded Pattern (ITP) Receivers. This setup is also used for the fast-firing (RF-0) 9mm setup in the adjustable bolt...

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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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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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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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STG U Magazine Housing (complete) Aluminum NiB Plated (Black Distressed)

Standard replacement magazine housing for 2011 and later pattern Universal setups - (U9 and U9SF STG platforms) This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver to allow use...

MSRP:

Now: $395.00
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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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9mm SMG Chamber and Headspace Gauge

9mm SMG Chamber Wear and Headspace Gauge To ensure the safe operation of 9mm Fixed-Firing-Pin (FFP) Blow-Back (BB) Submachine Guns (SMGs), chamber wear and headspace should be verified. Since...

MSRP:

Now: $36.00
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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 U Magazine Housing (complete) Steel

Standard replacement magazine housing for 2011 and later pattern Universal setups - (U9 and U9SF STG platforms) This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver to allow use...

MSRP:

Now: $405.00
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U9 8.3" Barrel

9mm 8.3" long barrel 41V50 Steel / Parkerized Finish Polished chamber and feed ramp 1:10 twist Loosely patterned after the Swedish M37 short-barreled Suomi setup and Carl Gustaf M45/Swedish...

MSRP:

Now: $150.00
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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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U9 8.64" barrel threaded 1/2"-28

9mm 8.64" long barrel Stainless Steel Threaded .1/2"-28 on end Polished chamber and feed ramp 1:10 twist For use on 2010 pattern shroud (see reference pic) and 7.5" Steel Shrouds Ideal for...

MSRP:

Now: $150.00
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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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STG U Magazine Housing (complete) Aluminum NiB Plated (silver)

Standard replacement magazine housing for 2011 and later pattern Universal setups - (U9 and U9SF STG platforms) This is a complete magazine housing for 1.375" OD Stemple 76/45 Receiver to allow use...

MSRP:

Now: $375.00
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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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STG U9 Spare Parts