SMK QB/XS 78/79 Solid Stainless Steel , 6mm wide, rear set Trigger to make the trigger position much more comfortable and to give smoother and easier control of the trigger pull. If you want try the feel...

QB/XS 78 Exhaust valve spring. Photo show's our British made Spring and piercer in Stainless Steel for better flow. This is for the Spring only but you can add the Stainless Steel High Flow piercer in...

SMK QB/XS 78 hammer spring. Photo is to give you a general idea, as you can select a short, medium or long when you order. Special offer at the moment. More about these on the info site Here

Professional Tuning Kit without the DVD (Video is on this site to view for free. for the SMK QB/XS/TH 78/79 models (not the Match, but you can send your own bolt for modification or select a Stainless...

XS 78/79 two Full flow Transfer Ports X 2 (.177) for 9.50 including the post. Can be used in the .22 if you want more power. Now modified with an improved centre hole of 4.4mm hole for more efficient flow....

Upgrade your shooting experience with the SMK XS 78 +TH/QB 78 or 79+ Tuning Kit in .22! This professional tuning kit is designed for easy installation just swap out the old parts for the new modified ones....

Modified Piercer Body, High Flow for the SMK QB/XS 78/79 models. Dual thread so it will fit Metric and Imperial models. This does away with the tube, gauze, filter and steel washer. Do not try to fit the...

Standard Piercer Body, for the SMK QB/XS 78/79 models. Standard thread.

Bulk fill adaptor without Cap, but with inlet valve to prevent the air coming out, for the XS/TH or QB 78 so you can bulk fill with Co2, or even air. It is best to use Co2 so that you get quit a lot of...

SMK QB/XS 78 Modified Front Caps with special heavy duty O ring and the front screw changed to an Allen screw, and Stainless Steel Knurled outer cap. We now have the older short and the later long type....

SMK QB/XS 78 Front Cap Stainless Steel inner body only with special heavy duty O ring and SS front screw changed to an Allen screw. The front cap is shown but is not included, this is for demonstration...

Modified High Flow + Few thou Longer Higher Flow pellet probe for the SMK 78 Match side lever .177 Modified Bolt Probe in Stainless Steel. This for the SIDE LEVER Match not the Bolt Action 78.

Modified High Flow pellet probe for the SMK QB/XS 78/79 models. .22 calibre. This is also supplied in our full tuning kit for the .22. For easy loading a pellet into the 78 it is better to point the gun...

Full set of seals for the SMK QB/XS 78/79 .22 models including the modified tougher hi flow transfer port, and exhaust valve seal for the TR Robb Exhaust valve. Note that the standard exhaust valve does...

Modified Stainless Steel piercer for the SMK QB/XS 78/79 models. Used in conjunction with our Piercer body improves efficiency for more power. You can watch the video for free on this site under SMK Stripdown...

Pellet probe seals 6 X Heavy Duty seals for the SMK QB/XS 78/79 models. .22 calibre.

Modified High Flow pellet probe in Stainless Steel for the SMK QB/XS/TH 78/79 models. .177 calibre. For easy loading a pellet into the 78 it is better to point the gun downwards when you push the pellet...

Modified High Flow pellet probe in Stainless Steel for the SMK QB/XS/TH 78/79 models. .22 calibre. For easy loading a pellet into the 78 it is better to point the gun downwards when you push the pellet...

Bolt stud made of Stainless Steel for the Thumbhole Stock 78. The Thumb Hole has the longest stud. The bolt studs have a larger thread one end and a smaller thread the other to fit into the gun. If you...

Special Deal of the Month Our Modified Exhaust Valve designed for more power, for the SMK QB/XS/TH 78/79 models. Ours have a Stainless Steel shaft rather than the standard mild steel one. Also comes with...

Exchange or purchase in store only (main part so has to be face to face or exchange, or can be sent to your local RFD. If you want to buy one then send in your old one or get you local RFD to send me a...

Extra seals for the SMK XS 79 model. Photo shows the full set but this is for the extra seals that are for the 79. If you want the full set then you need the 78 set as well.

Extra long Reservoir, Blued and comes with Allen trigger screw. I can also supply an adjustable piercer if you want to use one/two/three or four 12 gram Co2 bottles. I have put this under the options tab....

Extra long Reservoir has slight markings, so reduced to 64.75.

SMK QB/XS 78/79 Modified Brass Valve body to fit our modified piercer body (our thread is imperial) but our piercer body is dual thread so will fit both metric and imperial. There is not a lot of differnce...

SMK 501 Modified Brass Valve body. The 3 millimetre hole for the Exhaust Valve has been reamed for a precision fit. This reduces leakage past the valve shaft when the gun is fired. They also come with...

SMK QB/XS 78/79 Modified Brass Valve body to fit our modified piercer body(our thread is imperial). We have made these with a slightly smaller Transfer port for more power. The 3 millimetre hole for the...

lower rear blanking plug in Stainless Steel. (the Large one) This is for looks only, it will not affect the power or accuracy. The photo shows the standard top one on the left, but this is for the cap...

Triggers should always be fitted or checked by a gunsmith when fitted by amateurs. Lighter trigger pressure spring. I have put the standard one next to our lighter spring for comparison. This is for the...

Triggers should always be fitted or checked by a gunsmith when fitted by amateurs. Trigger Tuning Kit, for the SMK QB/XS 78/79 models, eliminates excessive movement you get with the standard trigger. Gives...

Steel Modified hammer/valve block for the SMK QB/XS 78/79 models made shorter to .600". Also available in Stainless Steel with smaller hole for valve for just 1.45 extra, if required just select with the...

Modified Brass Exhaust valve body and Aluminium Modified Piercer Body together (exhaust valve not included but is available as an option). This could help your .177 to get closer to the legal limit, as...

SMK QB/XS 78/79 Modified easy fit Safety catch follower. I have made this with a much more pronounced, rather than the standard sharp pip. Makes operating the safety catch smoother and easier to fit and...

SMK QB/XS 78 79 larger Oblong High quality Stainless steel Modified Bolt Handle with smooth Longer grip

These are for the XS 78 models. This is a pack of 5 High Quality O rings and a small sachet of Moly 33 O ring lube. These fit the front cap. It is wise to Check and or change these on a regular basis to...

These are Tougher and harder for the 78 models. This is a pack of 5 High Quality harder O rings and a small sachet of Moly 33 O ring lube. These fit the front cap and also the Brass valve body. It is wise...

These are for the XS 79 models that use the 88 gram bottles only. This is a pack of 5 nose High Quality O rings and a small sachet of seal Lube for the 88 gram Co2 bottle. It is wise to Check and or change...

1 X Stainless Steel Nylock Nut and Bolt for the QB/TH 78 A frame. Note this is a Stainless Steel Nylock nut and Bolt for extra strength and will not work loose. You don't need to overthighten as it is...

Stainless Steel Adjustable Hammer that is made so you can adjust the travel for more or less power. This can be used for guns that have not reached full power like some .177 or Carbine (shorter barrel)...

Stainless Steel Hammer that is modified to add a little extra weight for more power and make the gun more efficient. This can be used for guns that have not reached full power like some .177 or Carbine...

Bargain price. Stainless Steel Rear set trigger with the sear faces polished and the rest with a satin finish. also Includes our trigger tuning kit with ball ended spring guide, shims, wet & dry,Allen...

SMK XS QB TH 78/79 Rear Top Cap in Stainless Steel. This is for looks only and will not affect the power. I have left the top without the dovetail so you can use it as a scope stop, this will make it easier...

SMK QB/XS 78/79 seal replacement for our modified exhaust valve. This is for two exhaust valve seals that fit our modified exhaust valves. Our exhaust valve will unscrew so you can change the seal. Unlike...

XS/QB/TH 78/79 Bolt Housing. For easy loading a pellet into the 78 it is better to point the gun downwards when you push the pellet forward. This is to help the pellet ride up the ramp into the chamber....

.177 Bolt probe O ring pack of 5 to fit our modified bolt probe. For the .177 SMK QB/XS/TH 78/79 models that have our tuning kit fitted, as the standard seal is different. You can watch the video for free...