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The Glock 20, introduced in 1991, was developed for the then-growing law enforcement and security forces market for the 10mm Auto. The pistol will handle both full-power as well as reduced "FBI" loads that have reduced muzzle velocity. Due to the longer cartridge and higher pressures, the pistol is slightly larger than the Glock 17, having an approximately 2.5 mm (0.1 in) greater width and 7 mm (0.3 in) greater length. Though many small parts interchange with the Glock 17, with a close to 50% parts commonality, the major assemblies are scaled-up and do not interchange. The standard magazine capacity of the Glock 20 is 15 rounds. In 2009, Glock announced they would offer a 152 mm (6.0 in) barrel as a drop-in option.
The Glock 20SF is a version of the Glock 20 that utilizes the Short Frame (SF) which is based on the standard G20 frame (same width), but reduces the trigger reach from the back of the grip by 2.5 mm (0.098 in) and the heel of the pistol is shortened by 4 mm (0.16 in) so the trigger can be reached and operated better by users with relatively small hands.
If the ad is up, it's still for sale
Glock 20 (10mm) Barrel - Aftermarket, Bright Stainless
I shot about 225 rounds of 10mm through this barrel in my Glock 21, but I sold the G21 so I no longer need this barrel.
(Yes, I know a G21 is 45 ACP.)
This is NOT a conversion barrel - it's a...
For sale is a a NIB GLOCK GEN 4 large frame. Can be either used for G20, G21, or G40.
Comes with the backstraps, not pictured. Has matching case that shows it left factory as a G40, however, i bought this as i am selling it.
WTT MY Glock G20 Gen4 10mm for Your G40 Gen4
My G20 Gen4 is newish. Excellent Condition. Stock. ~200 rounds fired. Zero issues. Works awesome!
Local Swap in Puget Sound area. Located in Bellingham. DM to discuss. Thanks!
For sale is a used Glock G20 in 10mm. There’s been about 300 rounds through it.
Trijicon HD night sights
Silicone carbide grip coating
It comes with x2 15 round magazines and the original hard case.
I am asking $500 buyer pays transfer fee.
Brand new in box, unused. Drop in barrel converts Glock 20 from 10mm to 40 S&W.
$130 shipped in the PNW by USPS First Class.
Paypal F&F, VenMo, CashApp, Check, Money Order or Cash. If you prefer in-person sale M-F 7am-2pm at my business in South Salem. Members with established feedback only...
New, unfired. This came to us from the distributor a couple of weeks ago.
Ships free in the Pacific Northwest by USPS to your FFL. No transfer fee at my shop in Salem M-F 7am-3pm. Weekend (morning) appointments for members with established feedback only.
Accept Cash, Check, VenMo, discrete...
The 20 barrel has about 60 rounds through it and the 29 has less than 40. Both pistols are Gen IV. I swapped both of them out with KKM barrels and I have put the Glock barrels in the KKM sleeves. FTF in Winlock/Toledo, WA area or I can ship the for another $10. If someone happens to wants to...
Up for sale is a Safariland Glock 21 or 20 right hand OWB holster. It is their level 3 retention holster which offers an automatic locking system (ALS), along with a self locking system (SLS). Basketweave pattern, and suede lined inside to prevent finish wear on your pistol. Quick, double...
Safe queen for sale. Glock 20 SF 10MM with very low round count. Everything is factory stock. Runs flawlessly. Selling cause I need to fund a new project. To be clear, this is the SF model.
Gold and silver accepted.
Possible trades: Premium AR15 Upper (willing to add cash on my end), Glock 44...
Have some leftover 10mm stuff
2 g29 mags with pinky extensions full of underwood self defense ammo
G20 mag with 14 round of fmj
Another 20 rounds of underwood self defense ammo (40 rounds total self defense ammo)
$75 for everything.
Selling a like new DeSantis Speed Scabbard OWB right hand holster. Great retention, also adjustable. Beautiful brown leather with strong side or cross draw option. For large frame Glocks so it fits Glock 21 45 auto and Glock 20 10mm. Might fit a 17 or 22 but I think it would be loose...
Selling my complete alpha wolf G20 10mm setup. Everything you need besides the lower and lpk. Has about 30 rounds through it.
Perfect for a poly 80 setup, or a spare top end if you have a g21, or get the alpha wolf lower from low wolf for $150
Cost to build a g20 setup from lone wolf is...
Selling my gen 4 Glock 20, grey frame, in an effort to pare down my handgun collection. Like new condition with 250 rounds through it. Comes with original packaging/manual/accessories and 2 x 15 round magazines.
Also willing to include 150 rounds of 10 mm (Magtech and S&B, 180 gr FMJ) for...
Considering Selling my G20 SF. Has Tru glo night sights.
It's had almost 2 magazines through it just to function test. It was my nightstand gun.
Literally shot it, cleaned it and its been in my nightstand since.
Comes with two 15 round mags, case, etc. Everything it came with.
Genuine OEM Glock replacement barrel. Barrel rifling has hexagonal profile with right hand twist. 6.02 inch - 153mm length. Fits M/20. Part number 15 on the Glock Schematic. Minimal shots fired.
$100 shipped to your door
Selling my Gen 4 Glock 20. It is in excellent, like-new condition. Used for backpacking this summer. I fired maybe 50 rounds through it. Comes w/ everything from the factory.
Local pick-up preferred. Willing to ship FFL too FFL if needed. $650 picked-up or PLUS shipping. My local FFL does the...