Mossberg 930 piston upgrade - Clean the groove on the inside of the rings.

 
Once the bolt is forced back, a stainless steel return spring around the magazine tube drives the pusher, spacer and <b>piston</b> forward into position for the next shot. . Mossberg 930 piston upgrade

00 $899. The big problem with the SPX is the lack of chokes. Cleaning interval increased to well over 1000 shells with complete reliability. Angled surface of seal ring must face out. The two shot extension adds two additional rounds without increasing the overall length of the shotgun. Mossberg Shotguns 930 Parts List Sort by: Show Available 1 Barrel 2 Front Sight 3 Choke Tube, 12 Ga. 99 The Mossberg 930 is a fantastic piece of equipment that features everything you would expect from a high-quality gas-operated semiautomatic shotgun, and let’s not forget its tubular magazine. uc as. bronson family medicine oshtemo; worksheet triangle sum and exterior angle theorem pdf; iran phosphoric acid; homes for sale in fairplain wv. I do not have the Mag extension Or the oversize bolt handle. 99 Used Mossberg 90015 500 12 Gauge 18. MOSSBERG (In Stock) 5. Piston , Brand: : SBE Precision Products: MPN: : . Ran a box of low brass birdshot straight out of the box. Mossberg 930 JM pro upgrades worth it? I recently got a good deal on a mossberg 930 JM pro 22" with the 9+1 mag tube. Mossberg 930 Tactical 8-Shot SPX 12 Gauge 18. The Mossberg 500's wide variety of flashlight mounting accessories. CONTACT INFORMATION Text Only: (423)-619-2613. That’s a byproduct of input from Mossberg pro shooters includ-ing Jerry Miculek who assisted in the design of the 940. Sure Cycle Performance Aluminum Follower For Mossberg 930 & 935 12GA. Ryan Stoneking on November 13, 2021 at 6:16 pm. Add to Cart #16818 930/935. Mossberg 930 Tactical 8-Shot SPX 12 Gauge 18. Remove the gas piston from the lower portion of the barrel. It is a seperate ring and rotates independent of the other rings. Apr 23, 2020 · The most obvious potential issue with running a 940 piston in a 930 is the shorter piston length would allow the external gas ring to partially leave the cylinder. The piston extends cleaning intervals to 1500 shells and beyond in many cases. SBE Precision magazine tube. GG&G Mossberg 930 Scope Mount Low Profile MIL-STD-1913 Picatinny Rail 6061 T6 Al. 0 (1) RING, PISTON. Not Yet Rated Sold Out. It has two rings, one with scallops. There's about a 1/8-1/4" gap between the edge of the chamber and the back end of the vent rib on the barrel, and the little pimple on the inside of the barrel that the bolt runs past inside the chamber is about the same distance too far. Angled surface of seal ring must face out. The Aimtech ASM-1 and ASM-2 mounts for Remington 1100/1187 and 870 shotguns are the finest available and used by many thousands of hunters nationwide and internationally. $650, which is a lot lower than buying a. Mossberg 930 JM Pro and SPX Stainless Competition Piston Upgrade SBE Precision Products 431 subscribers Subscribe 292 Share Save 19K views 3 years ago Lots of people have asked for a video. I cleaned and polished the tube. The last model, the 930 , was launched with the blessing of the prophet Miculek (PBUH). Ran a box of low brass. The 940’s gas system was overhauled, including the piston and sealing ring system, spacer and pusher. That’s a byproduct of input from Mossberg pro shooters includ-ing Jerry Miculek who assisted in the design of the 940. 05 #16767BL 930/935/940 Stock Retention Plate, Blued. There is a beveled shaped ring just in front of the rings that look like piston rings in a car. 0 (1) Page: 1 previous next. Its bright red anodized. Gg&g Mossberg 930 Magazine Follower. 12ga Shotgun Shells, Opened (L to R: Bird, Buck, Slug). The 930 SPX looks like a good option, being less than half the price. Service your Mossberg 930/935 shotgun with quality OEM and aftermarket parts/components to ensure reliable performance with every trigger pull. Only has a little over a 100 rounds through it Mossberg 930 Barrel I don't have the original box but the 930 still has the sticker on the stock and tape on the trigger guard SKU: 85360 Mossberg 930™ Tactical Series,12ga,18 Trick out or upgrade your firearm with the largest gun parts selection at eBay Trick out or upgrade your firearm with the. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston , and gas system are not cleaned often. I have a 930SPX Tactical, which has been flawless. Choose a language:. It indicates, "Click to perform a search". The 930 DC Pro Series 12-gauge, 3-inch shotgun features: A 28-inch vent rib barrel. This piston used only the 930 outer piston ring, and replaces the inner ring with grooves. Jerry's website had this in stock and ready to ship so I got it without a second thought. cub cadet pedal sticking homelite xl chainsaw manual; activex component can t create object bzwhll whllobj. 5 inch Blued Front Bead (44) $269. Additional gas venting on the bottom of the piston reduces gas forced into the spacer tube. In Stock. Even better, every 930 Pro-Series Sporting purchase comes with a free trial. by shooter444 » Sun Aug 12, 2018 4:30 pm. Top 10+1 Upgrades for the Mossberg 930. · Search: Mossberg 930 Disassembly. 42 #16789MT 930/935 Magazine Cap Assembly, Matte Out of stock $14. 930/935 Pro-Series Gas Piston Assembly, Boron Nitride Finish Be the first to review this product Out of stock SKU 16801BN Notify me when this product is in stock $48. 99 Used Mossberg 90015 500 12 Gauge 18. I have no idea how many 200 straights, 100s and terrific handicap scores this man has shot from the 27 with his lowly 1400! MANY!. sold out. See where Mossberg may have drawn some "inspiration"? If you need would like to try the 930 piston please let me know. It has an 18. by shooter444 » Sun Aug 12, 2018 4:30 pm. To catch up briefly, when I took delivery of my gun, there was something wonky with the trigger and safety. On paper this shotgun seems like a great deal. 99; In Stock. New firing pin. Never cleaned it. Location: Foothill Ranch, United States. Piston Assemblies PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 Open Expanded View+ Description Mossberg 930/935 MOSSBERG - PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 Made in the U. 75 New. May 20, 2020 · Miculek competition lifter for Mossberg 930! This is a MUST HAVE upgrade for the 930! For 9 years now I've lived with the cutout at the end of the lifter, tried to load with a bent thumb, and had my thumb eaten but no longer. This are the essential reliability parts you want in your 930 to keep it running even in wet weather and harsh conditions. The pusher assembly and metal spacer tube, positioned behind the gas piston, only move. The 930 Mossberg shotgun series features a dual gas-vent system, a quick-empty magazine release button, drilled and tapped receivers, and on synthetic models, an adjustable drop at the comb with a stock drop spacer system. Log In My Account zx. Angled surface of seal ring must face out. The fact that the Mossberg 930 is the only modern gas operated shotgun that uses a dual ring piston was a huge tip that maybe the anecdotal . 12ga Shotgun Shells, Opened (L to R: Bird, Buck, Slug). The Miculek’s, particularly Jerry, has been seen by Mossberg modifying his 930 models, which further sparked the inspiration for the tactical, semi-auto shotgun. 85 Mossberg 930 Scope Mount $36. Mossberg 930 Stainless Competition Piston Upgrade Most 930 owners especially competition shooters know that frequent cleaning is needed to keep the 930 running properly. SBE Precision Products has just released The Mossberg 930 Stainless Competition Piston is a completely new single ring design using only the outer ring. Dec 1, 2021 · Top 10+1 Upgrades for the Mossberg 930 Jim takes you through the top upgrades to convert your Mossberg 930 into the perfect home defense shotgun Support Burst Review with PayPal: https://www. Brand new Mossberg 930 spx with pistol grip. Please Sign in or create an account. Similar to nearly everything in the Mossberg shotgun line, it sports a tang-mounted safety on top of the receiver—absolutely the best location for a shotgun safety. SBE stainless piston, GG&G side saddle, nordic mag extension, Carlson creamator chokes, single mode 1250 lumen light. Mossberg 930 Tactical 8-Shot SPX 12 Gauge 18. Piston Assemblies PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 Open Expanded View+ Description Mossberg 930/935 MOSSBERG - PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 Made in the U. Add to Cart. Mossberg 930 Tactical - 8 Shot. This kit will allow you to extend the capacity of your shotgun by TWO (2) / FIVE (5) / or EIGHT (8) rounds. Mossberg 930 JM Pro and SPX Stainless Competition Piston Upgrade SBE Precision Products 431 subscribers Subscribe 292 Share Save 19K views 3 years ago Lots of people have asked for a video. SBE Precision Products has just released The Mossberg 930 Stainless Competition Piston is a completely new single ring design using only the outer ring. Please Sign in or create an account. This is not a modified factory piston it is brand new design that changes . My SPX runs any birdshot, but I need to run heavier loads in the JM Pro. Parts listed here are designed for both Mossberg 930 and 935 shotgun models chambered in 12 gauge unless noted otherwise. Mossberg 930 JM pro upgrades worth it? I recently got a good deal on a mossberg 930 JM pro 22" with the 9+1 mag tube. Never cleaned it. MOSSBERG (In Stock) 5. This complete piston assembly fits 12 gauge Mossberg Model 930 and 935 Pro-Series shotguns and is a direct factory replacement. 66 GG&G Mossberg930QuickDetach Rear Sling Attachment Aluminum Matte Black GGG-15. Once the bolt is forced back, a stainless steel return spring around the magazine tube drives the pusher, spacer and piston forward into position for the next shot. I had fired off a shoulder-blistering amount of shells without a single malfunction. Click for more info. Service your Mossberg 930/935 shotgun with quality OEM and aftermarket parts/components to ensure reliable performance with every trigger pull. Improve your accuracy and performance. Email Address. The effort also prevented pinched thumbs. houses for rent with horse property utah; ground based radar systems physical signs your manifestation is coming physical signs your manifestation is coming. by | Jul 3, 2022 | catherine cooper and lyle mackenzie 2020 | asetek 670ls 240mm liquid cooling system review. Jul 8, 2022 · The platform has a redesigned gas system that includes a new piston and sleeve that rides over the magazine tube so that the gun runs cleaner and more reliably. Jerry's website had this in stock and ready to ship so I got it without a second thought. The 940 piston design is different than the 930. SBE stainless piston, GG&G side saddle, nordic mag extension, Carlson creamator chokes, single mode 1250 lumen light. HIVIZ (In Stock) 3. 5lbs (Average results can vary up to +/- 1lb) Trigger Kit includes: Custom Sear Spring. Skip to the end of the images gallery Skip to the beginning of the images gallery 930/935 Gas Piston Assembly Be the first to review this product In stock SKU 16801 $37. 00 0. CONTACT INFORMATION Text Only: (423)-619-2613. Carbon builds up there and causes the piston to drag. Mossberg 930 JM pro upgrades worth it? I recently got a good deal on a mossberg 930 JM pro 22" with the 9+1 mag tube. Grasp the operating handle and lock the action in the "OPEN" position (Figure 15). on nn. Founding Member. Dry lube for piston on mossberg 930. Upgrade or customize your Mossberg 930 12 gauge shotgun with this factory barrel direct from Mossberg. As Smitty said make sure the rings rotate freely when reinstalled and make sure the gaps don't line up. Install forearm retainer, gas system return spring, pusher assembly, spacer tube, gas piston, and seal ring onto magazine tube. This are the essential reliability parts you want in your 930 to keep it running even in wet weather and harsh conditions. #16863AN 930/935 Gas Piston Spacer Tube, Anodize. Details; Q&A (2); Reviews (1). Parts listed here are designed for both Mossberg 930 and 935 shotgun models chambered in 12 gauge unless noted otherwise. com/watch?v=c3DCL7rctts&t=293s) SO PLEASE FOLLOW ME THERE! THANKS! I’m updating my Mossberg 930 that I use in competition shooting with OR3GUN Accessories (Forearm Retainer, Marine Spacer Tube, and Competition Plunger). 99 5. Mossberg 930 Stainless Steel Competition Piston . matlab plot visibility x perkins serial number check x perkins serial number check. Area Code: 980. Mossberg FLEX Pistol Grip. Mossberg 930 JM Pro and SPX Stainless Competition Piston Upgrade SBE Precision Products 431 subscribers Subscribe 292 Share Save 19K views 3 years ago Lots of people have asked for a video. 65 Warning for CA Residents » Only registered users can write reviews. Mossberg 930 Tactical 8-Shot SPX 12 Gauge 18. Notify Me When Available. These are NOT large scale upgrades like trigger groups etc. logistics truck for sale. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston, and gas system are not cleaned often. Choose a language:. Upgrades: Mossberg Pro-Series Gas Piston Assembly with Boron Nitride Finish, oversized charging handle, GG&G QD Sling and Flashlight Mount, new Streamlight TLR-1 Weapon Light with touchpad activation, 1 Esstac 7-round Shotgun. All Magazines; AR15 Magazines; AK47/74 Magazines; Glock Magazines. Made in the U. Polished the bore with steel wool on a brush. Few firearms can compare to the raw power of a semi-automatic shotgun, such as the . The piston is a separate part that must be purchased separately. Skip to the end of the images gallery Skip to the beginning of the images gallery 930/935 Gas Piston Assembly Be the first to review this product In stock SKU 16801 $37. The 940 piston design is different than the 930. Mossberg 930 Front & Rear Looped Sling At. After switching to the Beretta 1301, I. 0 (2) PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 MOSSBERG (In Stock) $57. It has two rings, one with scallops. on nn. Log In My Account zx. 1,501 likes · 35 talking about this. You can now remove every part off of the magazine tube. 0 PRO SERIES GAS PISTON ASSEMBLY, MOSSBERG 930 MOSSBERG (In Stock) $57. Not Yet Rated Sold Out. Mossberg 930 DC Pro Series Waterfowl - YouTube 0:00 / 5:21 Mossberg 930 DC Pro Series Waterfowl 85,022 views Nov 16, 2015 493 Dislike Share Randy Wakeman 22. 0 Add to Favorites Add to Wish List. 10,783 Posts. $650, which is a lot lower than buying a. Mossberg 930 Stainless Steel Competition Piston: If you shoot your 930 a lot this will literally change the way you look at your shotgun. You may want to take a picture with your phone of the order these parts went on and how they are positioned. Jerry's website had this in stock and ready to ship so I got it without a second thought. May 20, 2020 · Re: Miculek competition lifter for Mossberg 930! This is a MUST HAVE upgrade for the 930! Ensure the elevator isn’t sluggish. The effort also prevented pinched thumbs. Some people love them, and some people hate them. Re: Red dot recommendation for Mossberg 930SPX. Lots of people have asked for a video on the Mossberg 930 piston. Welcome to cheaper than dirt. MGW offers replacement barrels, stocks, forends, sights, choke tubes, recoil pads and other small parts for these models. JavaScript seems to be disabled in your browser. It has two rings, one with scallops. I purchased the stainless steel gas piston and the improved magazine tube follower as well as the +1 magazine extension for the Nordic MXT 2 shell magazine extension. Until now. Shop by Schematic » Maverick® 88® The working man’s shotgun, the Maverick Line of pump-action shotguns are proven performers – equally at home in the woods, upland fields, or on home security duty. 5" barrel and matte. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston , and gas system are not cleaned often. Small, intentional crescent cut-outs at the end of the cylinder on the 940 would indicate Mossberg found a partial vent of the gasses to be beneficial in keeping the system cleaner. com/watch?v=c3DCL7rctts&t=293s) SO PLEASE FOLLOW ME THERE! THANKS! I’m updating my Mossberg 930 that I use in competition shooting with OR3GUN Accessories (Forearm Retainer, Marine Spacer Tube, and Competition Plunger). cub cadet pedal sticking homelite xl chainsaw manual; activex component can t create object bzwhll whllobj. Some light dings and scratches. Choose a language:. It provides a length of pull of 13. 5 lbs. This brings us to the upgrade—Mossberg's 940 JM Pro—and the improvements are considerable. 99 New $235. com/watch?v=c3DCL7rctts&t=293s) SO PLEASE FOLLOW ME THERE! THANKS! I’m updating my Mossberg 930 that I use in competition shooting with OR3GUN Accessories (Forearm Retainer, Marine Spacer Tube, and Competition Plunger). The 940’s gas system was overhauled, including the piston and sealing ring system, spacer and pusher. Additional gas venting on the bottom of the piston reduces gas forced into the spacer tube. Upgraded by Jerry Miculek, it boasted competitor-friendly features such as an extended magazine, bolt-release button and oversized bolt handle. Nordic Components +2 magazine extension tube kit 10. It has two rings, one with scallops. It is an instrument for the people. The 940 piston design is different than the 930. That's my take aswell on the moss 930 - cycles very fast rounds- rem gold partitions, but not slower ones - federal slugs, trap loads etc. Mossberg 930 piston upgrade. Click for more info. #7 · Aug30, 2017. This complete piston assembly fits 12 gauge Mossberg Model 930 and 935 Pro-Series. The effort also prevented pinched thumbs. Posted: 2/7/2012 12:08:00 PM EDT. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston, and gas system are not cleaned often. hy; di. downloader helper, creampie v

Mossberg FLEX 6-Position Tactical Stock. . Mossberg 930 piston upgrade

Cleaning interval increased to well over 1000 shells with complete reliability. . Mossberg 930 piston upgrade karely ruiz porn

This complete piston assembly fits 12 gauge Mossberg Model 930 and 935 Pro-Series. Mossberg has always been a blue-collar brand, lacking the finesse and finish of Italian smoothbores and coming in a distant second when it comes to. Few firearms can compare to the raw power of a semi-automatic shotgun, such as the . Your experience is similar to mine. Benelli M2 +2 Extension Tube. Note orientation of seal ring. Notify Me. Mesa Tactical SureShell. Great Upgrade for the Mossberg 930 I have not tested it yet however I can say it is of the highest quality machining and is a drop in fit for one's Mossberg 930 shotgun. Nordic Components +2 magazine extension tube kit 10. Head over to http://www. The new loading port/carrier is beneficial even to those who don’t shoot competition. It’s really fast and simple. ORG Manage Your Membership NRA Near You Friends of NRA State and Federal Gun. Choose a language:. Mossberg 930 Front & Rear Sling Attachments $ 14. Sep 23, 2018 · None have addressed the gas system issue directly. This 12-guage, 8-shot firearm can be easily manipulated. Aug 28, 2017 · Jerry Michalik swears by his 930 for USPSA competition. Mossberg 930 JM Pro coated outer gas piston ring 8. Discussion Starter · #1 · Mar 1, 2019. Mossberg 930 Tactical 8-Shot SPX 12 Gauge 18. It provides a length of pull of 13. 8 (4) Page: 1 2 previous next. You can now remove every part off of the magazine tube. Click for more info. The 930 SPX looks like a good option, being less than half the price. 5-inch barrel length, 6. Upgrade or customize your Mossberg 930 12 gauge shotgun with this factory barrel direct from Mossberg. Would recommend this product. Shop by Schematic ». FEATURES: The newly designed, handsomely-appointed 930™ Pro-Series Sporting gives clays shooters the competitive edge. This is not a modified factory piston it is brand new design that changes the way you will. I can confirm that it does seem to allow the cartridge to release into the loading port slightly easier. Top 101 upgrades for the mossberg 930 duration. It has two rings, one with scallops. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston, and gas system are not cleaned often. htm and check out their combo section. Install forearm retainer, gas system return spring, pusher assembly, spacer tube, gas piston, and seal ring onto magazine tube. Keep this part clean it is the heart of your SPX. It has two rings, one with scallops. The 940 piston design is different than the 930. 3lbs weight, and a 5+1 capacity. The world’s first 3. Has been on a safe queen. Clean the groove on the inside of the rings. Press enter. com/watch?v=c3DCL7rctts&t=293s) SO PLEASE FOLLOW ME THERE! THANKS! I’m updating my Mossberg 930 that I use in competition shooting with OR3GUN Accessories (Forearm Retainer, Marine Spacer Tube, and Competition Plunger). Brownells is your source for Piston Assemblies,Gas System Components at Brownells parts and accessories. Product Code: NDZ-MOS-ES-BLK. Mossberg 930 Front & Rear Looped Sling At. Mossberg 18 1/2" security barrel threaded by Carlson's Choke Tubes for RemChoke extended choke tubes. 99 5. My 24" unported vent rib barrel arrived yesterday, and my 28" waterfowl 930 is waiting at my FFL. The author's test 930 SPX came with a pistol grip featuring finger grooves and subtle texturing on the sides. bollywood fashion through the ages. Install barrel into receiver and over magazine tube. SBE Precision Products has just released The Mossberg 930 Stainless Competition Piston is a completely new single ring design using only the outer ring. The dual ring gas piston has been said to trap carbon in the gas cylinder, and cause function issues if the piston, and gas system are not cleaned often. 37 Specs & Compatibility Prop. 5-inch steel barrel with Ghost Ring sight. This are the essential reliability parts you want in your 930 to keep it running even in wet weather and harsh conditions. This high-pressure gas is directed against an annular gas piston, which surrounds the magazine tube. 4 socket head cap screws as pictured a n d allen wrench for installation. The Choate Tool Mossberg 930 Pistol Stock will fit Mossberg 930 and 935 model shotguns. Mossberg 590 930 935 +2 +5 +8 Shotgun Magazine Tube Extension 12ga 12 Gauge. The inner ring is replaced by gas grooves. Stainless Steel Competition Piston for Mossberg 930 (ring Not Included) 3 product ratings About this product About this product Product Identifiers GTIN 0768855086302 UPC 0768855086302 eBay Product ID (ePID) 3023320817 Product Key Features For Gun Make Mossberg Material Steel, Stainless Steel Model 930 SS Comp. $75 ===== Short Stock Postage and Insured $12. Angled surface of seal ring must face out. Stainless Steel Competition Piston for Mossberg 930 (ring Not Included) 3 product ratings About this product About this product Product Identifiers GTIN 0768855086302 UPC 0768855086302 eBay Product ID (ePID) 3023320817 Product Key Features For Gun Make Mossberg Material Steel, Stainless Steel Model 930 SS Comp. The 930 Pro-Series Sporting is ready for competition out of the box, including an extended Briley choke tube set and carrying case. Joined Sep 6, 2012 · 1,159 Posts. Butt Plate is good. hy; di. guns or home security. It is literally a game changer for the 930 JM Pro and SPX. 99 New Mossberg 95138 590M 10 Round Magazine (22) $75. announced the introduction of a new 12-gauge autoloading shotgun platform; the 940 JM Pro , available in two 10-shot models. guns or home security. Install forearm retainer, gas system return spring, pusher assembly, spacer tube, gas piston, and seal ring onto magazine tube. 5” pump shotgun, the 835® ulti-mag® manages the most punishing magnum loads with overbored barrels for better shot patterns and reduced felt recoil and muzzle jump for quicker follow-up shots. Mossberg 930 12 Ga. Mossberg has always been a blue-collar brand, lacking the finesse and finish of Italian smoothbores and coming in a distant second when it comes to. Sold Out. Quantity in Stock:1269. This includes taking the rings off the piston. did a lot of research, for a very long time, and came up with a few conclusions. The OR3GUN Component Combos™ for Mossberg 930/935 series shotguns combine the parts most commonly ordered together into value-priced packages. 0lbs to a lighter 3. The effort also prevented pinched thumbs. - The shell stop, bolt slide and elevator receive additional finishing to reduce friction for faster follow up shots. 99 5. SBE Precision magazine tube. pdf), Text File (. The set-up gives the Mossberg a . MGW carries and sells many stocks from Mossberg to fit many models of innovative Mossberg shotguns such as the 500, 590, 835, 930, Maverick 88,. The 940 piston design is different than the 930. The 940 comes with three Briley Acu-Set extended. Free Shipping. Mossberg 500 Flex 4 Position Adjustable Dual Comb Stock Polymer Black 95221. Nordic Components Magazine tube clamp 11. Metal Butt Plate. The 940 featured a new gas-operating system that was easier to maintain and even more reliable than the 930’s. The new features include some of the upgrades I recently installed in my Model 930. On paper this shotgun seems like a great deal. After switching to the Beretta 1301, I. . ball licking porn