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WTS: 20mm LAHTI L-39 anti-tank rifle; FP springs, Spares Box #2, spare parts and buffers


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20mm LAHTI L-39 ITEMS for sale (Combine purchases for rebate)

20mm Lahti L-39 anti-tank rifle items

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I T E M  1 : LOT of FOUR (4): FIRING PIN SPRINGS for 20mm Lahti L-39 at-rifle 

Original Lahti L-39 spareparts lot consisting of;

FOUR  (4) firing pin springs - 20mm L-39 at-rifle Part # 84 (in manual)

Price 49.00 $ (free shipping)

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I T E M  2 : ONE empty SPAREPARTS BOX #2 for 20mm Lahti L-39 at-rifle 

Good condition original L-39 spares box number 2. 

This is empty and contains no spares. Marked; 20 pst.kiv./39. No. 2164

Weight 3,2kg, 215mm wide, 485mm long, 90mm thick

Price 290.00 $ (free shipping)

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I T E M  3 : ONE SET of spares, EXTRACTOR, PIN & SPRING for 20mm Lahti L-39 at-rifle 

Unused L-39 spareparts set consisting of;  

ONE extractor, ONE extractor pin, TWO extractor springs and TWO extractor spring guide rods

Price 89.00 $ (free shipping)

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I T E M   4 : SET of spares: GAS PISTON COUNTERSPRING, SIGHT BAR PIN and BUFFERS for 20mm Lahti L-39 at-rifle 

Unused L-39 spareparts set consisting of;

ONE sightbar pin, ONE (gas)piston counterspring , TWO rubber buffers

Price 59.00 $ (free shipping)

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I T E M   5 : SET OF TWO (2 pc.) original 20mm Lahti L-39 at-rifle cartridge CASE and BOLT buffer spare parts

Very good condition and original 1940's sparepart rubber buffers for 20x138Bmm VKT L-39 "Lahti" anti-tank rifle

Size 34mm x 25mm (hole 7mm), made of rubber (L-39 spares manual list as Part N:o 130b and 162)

The L39 rubber buffer is a single type - dual use, ie. it works as case buffer and also as bolt buffer

(measurement appr. in inches 1,34" x 0,98" hole 0,27")

Original WW2 part made in Finland by VKT (A few sets available - purchase several and I'll provide a nice grand total)

The original LAHTI L-39 spares kit box has places for both buffers (see photo below)

Price for SET of TWO (2 pc.) buffers is 36.00 $ (free shipping)

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Here is great video info on the L-39;

20mm Lahti L39 Antitank Rifle (Shooting and History)

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QUESTION: HOW OFTEN SHOULD THE BUFFERS BE REPLACED?

Answer: The L-39 users manual does not describe buffer change and sadly I have never seen an armory/armorer service manual giving guidelines.

Based on use and rounds fired one could RKI-guess that;

- The cartridge case buffer (rubber) should be changed after first signs of wear and deformation (parts of rubber missing etc.) so that one does not end up with badly dented ejected brass cases or having an uncontrolled "bounce path" of the case if hitting bare metal upon ejection.

- The bolt buffer (rubber) should be changed if showing deformation upon inspection after 200 normal cartridges fired, or if bolt carrier seems to hit (metal on metal) increasingly hard during maximum rearward cycle.

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Look at how controlled the cartridge case ejection is when case buffer rubber is doing its job (reduce video replay speed to just 0.25 to really see details of buffer function);

Edited by W.R.C. from E.U.
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  • W.R.C. from E.U. changed the title to WTS: 20mm LAHTI L-39 anti-tank rifle ITEMS - L39 box, tools, spares and buffers
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  • W.R.C. from E.U. changed the title to WTS: 20mm LAHTI L-39 anti-tank rifle; FP springs, Spares Box #2, AA-cradle/pintle, parts and buffers
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