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Holster numbersUncle Mike's

585 Uncle Mike's holster numbers in 32 holster lines, decoded. The number is printed on the back of the holster: line, size, dash, hand. So 3521-1 is a PRO-3 SlimLine, size 21, right hand. Boxes and store listings drop the dash (35211).

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By holster line

Dual Retention Duty Holster, Jacket Slot · 25 numbers

Size	Fits	Holster numbers
18	Smith & Wesson 9mm, .40, Sub-Compact .45 (3 1/2"-4" barrels)	6718-5 9818-1 9818-2
19	Colt Gov't 9mm, .38S, .40, 10mm, .45	9819-2
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels), Taurus 9mm, .40	9820-2
21	Glock 17, 19, 22, 23, 31, 36	9821-2
22	SIGARMS 9mm, .38S, .40, .45, 229 DAK	9822-2
23	Ruger P85, P89, P90, P91, P93, P94, P95, P97 KP90, KP93, KP94	9823-2
25	Glock 20, 21, 29, 30	9825-1 9825-2
30	HK USP 9mm, .40, .45, USP Compact	9830-2
52	Certain 4" barrel med. & intermediate double action revolvers such as Colt, Ruger, S&W, Taurus, Dan Wesson	6752-2 6752-4 6752-5 9852-1 9852-2

Kydex Internal Retention Holster · 14 numbers

Size	Fits	Holster numbers
12	Glock 26, 27, 33 & other subcompact 9mm/.40 cal.	6012-2
18	S&W 5900 & certain 4000 series	6018-2
20	Beretta 92, 96	6020-2
21	Glock 17, 19, 22, 23	6021-2
22	Sig 220, 226	6022-2
24	Sig 228, 229	6024-2
25	Glock 21, 20, 29, 30, 36	6025-2

PRO-2 Dual Retention Duty Holster · 30 numbers

Size	Fits	Holster numbers
18	Smith & Wesson 9mm, .40, Sub-compact .45, 3 1/2"- 4" barrels, Beretta Centurion	4318-2 4318-3 4318-4 4318-5 4318-6
20	Beretta 92, 96 all variations	4320-2 4320-3 4320-4 4320-5 4320-6
21	Glock 17, 19, 22, 23, 31, 32, 36	4321-2 4321-3 4321-4 4321-5 4321-6
22	SIGARMS P220, P226, P228, P229, P245, 229 DAK	4322-2 4322-3 4322-4 4322-5 4322-6
25	Glock 20, 21, 29, 30, 36	4325-2 4325-3 4325-4 4325-5 4325-6

PRO-3 Original Triple Retention Duty Holster · 43 numbers

Size	Fits	Holster numbers
18	Smith & Wesson 9mm, .40, Sub-Compact .45 (3 1/2"-4" barrels), Beretta Centurion	6518-2 6518-4 6518-5 9518-1 9518-2
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels except w/hook-type or extended trigger guards)	6520-2 6520-4 6520-5 9520-1 9520-2
21	Glock 17, 19, 22, 23, 31	6521-2 6521-4 6521-5 9521-1 9521-2
22	SIGARMS 9mm, .38S, .40, .45	6522-2 6522-4 6522-5 9522-1 9522-2
23	Ruger P85, P89, P90, P91, P93, P94, P95, KP90, KP93, KP94	6523-2 6523-4 6523-5 9523-1 9523-2
25	Glock 20, 21, 29, 30, 36	6525-2 6525-4 6525-5 9525-1 9525-2
28	Smith & Wesson SIGMA 9mm, .40	9528-2
29	Smith & Wesson SW99	9529-2
30	HK USP 9mm, .40, .45, USP Compact, [text truncated in extraction]	6530-4 9530-1

PRO-3 SlimLine Triple Retention Duty Holster · 29 numbers

Size	Fits	Holster numbers
18	Smith & Wesson 9mm, .40, Sub-Compact .45 (3 1/2"-4" barrels), Beretta Centurion	3518-2 3518-6
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels except w/hook-type or extended trigger guards)	3520-2 3520-3 3520-4 3520-5 3520-6
21	Glock 17, 19, 22, 23, 31	3521-2 3521-3 3521-4 3521-5 3521-6
22	SIGARMS 9mm, .38S, .40, .45	3522-2 3522-3 3522-4 3522-5 3522-6
23	Ruger P85, P89, P90, P91, P93, P94, P95, KP90, KP93, KP94
25	Glock 20, 21, 29, 30, 36, Smith & Wesson M&P, Slimline only	3525-2 3525-4 3525-5 3525-6
30	HK USP 9mm, .40, .45, USP Compact, Walther P99	3530-2

PRO-3 Super Belt Slide Holster · 14 numbers

Size	Fits	Holster numbers
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels except w/hook-type or extended trigger [guards - truncated])	3820-2 3920-1 3920-2
21	Glock 17, 19, 22, 23	3821-2 3921-1 3921-2
22	Sig Sauer 9mm, .38S, .40, .45	3822-2 3922-1 3922-2
30	HK USP 9mm, .40, .45, USP Compact, Walther P99	3930-1

Dual Retention Tactical Holster · 27 numbers

Size	Fits	Holster numbers
5	4 1/2 - 5" lg. auto with SureFire Type Lights	9905-2 9905-5 9905-6 9905-7 9905-8
15	3 3/4 - 4 1/2" lg. auto with SureFire Type Lights	9915-2 9915-5 9915-6 9915-7
18	Smith & Wesson 9mm, .40, Sub-Compact .45 (3 1/2"-4" barrels)	9918-2
19	Colt Gov't 9mm, .38S, .40, 10mm, .45	9919-2
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels); Taurus 9mm, .40	9920-2
21	Glock 17, 19, 22, 23	9921-2
22	Sig Sauer 9mm, .38S, .40, .45	9922-2
23	Ruger P85, P89, P90, P91, P93, P94, P95, KP90, KP93, KP94	9923-2
25	Glock 20, 21, 29, 30	9925-2
30	HK USP 9mm, .40, .45, USP Compact (PRO-3 also fits Walther P99)	9930-2

Kydex Tactical Holster · 27 numbers

Size	Fits	Holster numbers
15	Ruger P85, P89, P90, P91
16	Ruger P93, P94, P95, P97
17	Smith & Wesson M&P
18	S&W 5900 & 4000 Series	5718-2
19	Up To 5-inch Bbl 1911 Types	5719-2
20	Most Beretta 92 & 96 Models	5720-2
21	Glock 17, 22, 19, 23	5721-2
22	SIGARMS 220, 226	5722-2
23	SIGARMS Pro 2340	5723-2
24	SIGARMS 225, 245, 228, 229	5724-2
25	Glock 21, 20, 29, 30, 36	5725-2
26	Springfield XD 4" barrel	5726-2
29	Walther P99/SW99	5729-2
30	HK USP Full Size	5730-2
31	HK P2000, HK USP compact (All Calibers)	5731-2

Kydex Tactical Retention Holster · 12 numbers

Size	Fits	Holster numbers
18	S&W 5900 & 4000 Series	5918-2
20	Most Beretta 92 & 96 Models	5920-2
21	Glock 17, 22, 19, 23	5921-2
22	SIGARMS 220, 226	5922-2
24	SIGARMS 225, 245, 228, 229	5924-2
25	Glock 21, 20, 29, 30, 36	5925-2

PRO-3 Tactical Holster · 12 numbers

Size	Fits	Holster numbers
18	Smith & Wesson 9mm, .40, Sub-Compact .45 (3 1/2"-4" barrels)	6918-2
20	Beretta 9mm, .40, Smith & Wesson 10mm, .45 (5" barrels); Taurus 9mm, .40	6920-2
21	Glock 17, 19, 22, 23	6921-2
22	Sig Sauer 9mm, .38S, .40, .45	6922-2
25	Glock 20, 21, 29, 30	6925-2
30	HK USP 9mm, .40, .45, USP Compact (PRO-3 also fits Walther P99)	6930-2

Ankle Holster · 10 numbers

Size	Fits	Holster numbers
10	Small autos (.22-.25 cal.)	8810-2
12	Glock 26, 27, 33 & other sub-compact 9mm/.40 cal	8812-2
16	3 1/4 - 3 3/4" barrel medium and large autos	8816-2
20	2" barrel small frame 5-shot revolvers w/hammer spur	8820-2
21	3-4" barrel medium autos (.32-.380 cal.)	8821-2

Belly Band / Body Armor Holster · 4 numbers

Size	Fits	Holster numbers
1	Small autos (.22-.25 cal.)
2	Most .380s
3	2" 5-shot revolvers; Sigma .380
4	Most sub-compact 9mm/.40 autos, up to 3 1/2" barrels

Inside-the-Pant Holster, Open · 18 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel small/medium double action revolvers except 2" 5-shot	8900-2
1	3 - 4" barrel medium autos	8901-2
2	4" barrel medium and intermediate double action revolvers	8902-2
5	4 1/2 - 5" barrel large autos	8905-2
10	Small autos (.22-.25 cal.)	8910-2
12	Glock 26, 27, 33 & other sub-compact 9 mm/.40 cal	8912-2
15	3 3/4 - 4 1/2" barrel large autos	8915-2
16	3 1/4 - 3 3/4" barrel medium and large autos	8916-2
36	2" barrel small frame 5-shot revolvers with hammer spur	8936-2

Inside-the-Pant Holster, Retention Strap · 16 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel small/medium double action revolvers except 2" 5-shot	7600-2
1	3 - 4" barrel medium autos	7601-2
2	4" barrel medium and intermediate double action revolvers	7602-2
5	4 1/2 - 5" barrel large autos	7605-2
10	Small autos (.22-.25 cal.)	7610-2
15	3 3/4 - 4 1/2" barrel large autos	7615-2
16	3 1/4 - 3 3/4" barrel medium and large autos	7616-2
36	2" barrel small frame 5-shot revolvers with hammer spur	7636-2

Inside-the-Pocket Holster · 4 numbers

Size	Fits	Holster numbers
1	Small autos (.22-.25 cal.)
2	Most .380s
3	2" 5-shot revolvers; Sigma .380
4	Most sub-compact 9mm/.40 autos

Kydex Open Top Belt Slide Holster · 34 numbers

Size	Fits	Holster numbers
12	Glock 26, 27, 33	5312-2
15	Ruger P85, P89, P90, P91
16	Ruger P93, P94, P95, P97
17	S&W M&P	5317-2
18	S&W 5900 & certain 4000 Series	5318-2
19	Up To 5" bbl 1911 Types	5319-2
20	Most Beretta 92 & 96 Models	5320-2
21	Glock 17, 22, 19, 23	5321-2
22	SIGARMS 220, 226	5322-2
23	SIGARMS Pro 2340	5323-2
24	SIGARMS 225, 245, 228, 229	5324-2
25	Glock 21, 20, 29, 30, 36	5325-2
26	Springfield XD - Full Size	5326-2
27	Springfield XD - Compact	5327-2
29	Walther P99/SW99 Full size & compact	5329-2
30	HK USP Full size	5330-2
31	HK P2000, HK USP Compact (All Calibers)	5331-2
36	S&W J Frame 38/357 up to 2 1/8" barrel	5336-2

Kydex Open Top Paddle Holster · 34 numbers

Size	Fits	Holster numbers
12	Glock 26, 27, 33	5412-2
15	Ruger P85, P89, P90, P91
16	Ruger P93, P94, P95, P97
17	S&W M&P	5417-2
18	S&W 5900 & certain 4000 Series	5418-2
19	Up To 5" bbl 1911 Types	5419-2
20	Most Beretta 92 & 96 Models	5420-2
21	Glock 17, 22, 19, 23	5421-2
22	SIGARMS 220, 226	5422-2
23	SIGARMS Pro 2340	5423-2
24	SIGARMS 225, 245, 228, 229	5424-2
25	Glock 21, 20, 29, 30, 36	5425-2
26	Springfield XD - Full Size	5426-2
27	Springfield XD - Compact	5427-2
29	Walther P99/SW99 Full size & compact	5429-2
30	HK USP Full size	5430-2
31	HK P2000, HK USP Compact (All Calibers)	5431-2
36	S&W J Frame 38/357 up to 2 1/8" barrel	5436-2

Kydex Thumb Break Belt Slide Holster · 32 numbers

Size	Fits	Holster numbers
12	Glock 26, 27, 33	5512-2
15	Ruger P85, P89, P90, P91
16	Ruger P93, P94, P95, P97
17	S&W M&P	5517-2
18	S&W 5900 & certain 4000 Series	5518-2
19	Up To 5" bbl 1911 Types	5519-2
20	Most Beretta 92 & 96 Models	5520-2
21	Glock 17, 22, 19, 23	5521-2
22	SIGARMS 220, 226	5522-2
23	SIGARMS Pro 2340	5523-2
24	SIGARMS 225, 245, 228, 229	5524-2
25	Glock 21, 20, 29, 30, 36	5525-2
26	Springfield XD - Full Size	5526-2
27	Springfield XD - Compact	5527-2
29	Walther P99/SW99 Full size & compact	5529-2
30	HK USP Full size	5530-2
31	HK P2000, HK USP Compact (All Calibers)	5531-2

Kydex Thumb Break Paddle Holster · 32 numbers

Size	Fits	Holster numbers
12	Glock 26, 27, 33	5612-2
15	Ruger P85, P89, P90, P91
16	Ruger P93, P94, P95, P97
17	S&W M&P	5617-2
18	S&W 5900 & certain 4000 Series	5618-2
19	Up To 5" bbl 1911 Types	5619-2
20	Most Beretta 92 & 96 Models	5620-2
21	Glock 17, 22, 19, 23	5621-2
22	SIGARMS 220, 226	5622-2
23	SIGARMS Pro 2340	5623-2
24	SIGARMS 225, 245, 228, 229	5624-2
25	Glock 21, 20, 29, 30, 36	5625-2
26	Springfield XD - Full Size	5626-2
27	Springfield XD - Compact	5627-2
29	Walther P99/SW99 Full size & compact	5629-2
30	HK USP Full size	5630-2
31	HK P2000, HK USP Compact (All Calibers)	5631-2

Side Bet / Baby Bet Belt Slide · 2 numbers

Size	Fits	Holster numbers
0	Most Autos/Revolvers
1	.22 Cal and .25 Cal Autos. And Very Small Frame .380s

Super Belt Slide Holster · 20 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel sml/med double action revolvers except 2" 5-[shot - truncated]	8600-0
1	3 - 4" barrel medium autos	8601-0
2	4" barrel medium and intermediate double action [revolvers - truncated]	8602-0
5	4 1/2 - 5" barrel large autos	8605-0
12	Glock 26, 27, 33 and other sub-compact 9mm/.40 cal autos	8612-0
15	3 3/4 - 4 1/2" barrel large autos	8615-0
16	3 1/4 - 3 3/4" barrel medium & large autos	8616-0
19	Colt Gov't large autos, Browning Hi-Power	8619-0
30	HK USP 9mm, .40, .45, USP Compact, Walther P99	8630-0
36	2" barrel small frame 5-shot revolvers with hammer spur	8636-0

Hip Holster with Thumb Break · 21 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel small/medium double action revolvers except 2" 5-shot	7100-2
1	3 - 4" barrel medium autos	7101-2
2	4" barrel medium and intermediate double action revolvers	7102-2
3	6" barrel medium and intermediate double action revolvers	7103-2
5	4 1/2 - 5" barrel large autos	7105-2 7205-1
15	3 3/4 - 4 1/2" barrel large autos	7115-2 7215-1
16	3 1/4 - 3 3/4" barrel medium and large autos	7116-2
19	Colt Gov't large autos, Browning Hi-Power	7119-2
21	Glock 17, 19, 20, 21, 22, 23, 29, 30	7121-2
36	2" barrel small frame 5-shot revolvers

Paddle Holster · 9 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel sml/med double action revolvers except 2" 5-shot
1	3 - 4" barrel medium autos
2	4" barrel medium and intermediate double action revolvers
5	4 1/2 - 5" barrel large autos
15	3 3/4 - 4 1/2" barrel large autos
16	3 1/4 - 3 3/4" barrel medium and large autos
19	Colt Gov't large autos, Browning Hi-Power
21	Glock 17, 19, 20, 21, 22, 23, 29, 30
36	2" barrel small frame 5-shot revolvers with hammer spur

Sidekick Ambidextrous Hip Holster · 7 numbers

Size	Fits	Holster numbers
1	3 - 4" barrel medium autos
2	3 - 4" barrel medium and large double action revolvers
5	4 1/2" - 5" barrel large autos
15	3 3/4" - 4 1/2" barrel large autos
16	3 1/4" - 3 3/4" barrel medium and large autos
36	Up to 2 1/4" small frame 5- and 6-shot revolvers with hammer spur
46	Up to 2 1/4" small frame 5- and 6-shot revolvers with hammer spur

Sidekick Hip Holster · 47 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel sm./med. dbl. action revolvers except 2" 5-shot	8100-2
1	3 - 4" barrel medium autos	8101-2
2	3 - 4" barrel medium and large double action revolvers	8102-1 8102-2
3	5 - 6 1/2" barrel medium and large double action revolvers	8103-1 8103-2
4	7 - 8 1/2" barrel medium and large double action revolvers, tie-down loop included	8104-1 8104-2
5	4 1/2 - 5" barrel large autos, open end	8105-1 8105-2
6	5 1/2 - 6" barrel .22 autos and airguns	8106-1 8106-2
7	3 1/2 - 5" barrel single action revolvers	8107-2
8	5 1/2 - 6 1/2" barrel single action revolvers	8108-1 8108-2
9	6 1/2 - 7 1/2" barrel single action revolvers	8109-2
10	Small autos (.22 - .25 cal.)	8110-2
11	9 1/2 - 10 3/4" barrel single and double action revolvers, tie-down loop included	8111-2
12	Glock 26, 27	8112-2
14	6 7/8" barrel .22 autos	8114-2
15	3 1/2 - 4 1/2" barrel large autos, open end	8115-1 8115-2
16	3 1/4 - 3 3/4" barrel medium and large autos	8116-2
17	10 1/2" barrel .22 autos, tie-down loop included	8117-2
18	6" Raging Bull, 6" S&W N-frame full lug	8118-2
19	8 3/8" Raging Bull, 8 3/8" S&W N-frame full lug	8119-2
36	2" small frame 5-shot revolvers with hammer spur	8136-2

Cross-Harness Horizontal Shoulder Holster · 7 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel small/medium double action revolvers expect 2" 5-shot
1	3 - 4" barrel medium autos
2	4" barrel medium and intermediate double action revolvers
5	4 1/2" - 5" barrel large autos
15	3 3/4" - 4 1/2" barrel large autos
16	3 1/4" - 3 3/4" barrel medium and large autos
36	2" barrel small frame 5-shot revolvers with hammer spur

Pro-Pak Horizontal Shoulder Holster · 6 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel sml/med double action revolvers except 2" 5-shot
1	3 - 4" barrel medium autos
2	4" barrel medium and intermediate double action revolvers
5	4 1/2 - 5" barrel large autos
15	3 3/4 - 4 1/2" barrel large autos
16	3 1/4 - 3 3/4" barrel medium and large autos

Pro-Pak Shoulder Holster (97 series) · 8 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel sml/med double action revolvers except 2" 5-shot
1	3 - 4" barrel medium autos
2	4" barrel medium and intermediate double action revolvers
5	4 1/2 - 5" barrel large autos
10	Small autos (.22-.25 cal.)
15	3 3/4 - 4 1/2" barrel large autos
16	3 1/4 - 3 3/4" barrel medium and large autos
36	2" barrel small frame 5-shot revolvers with hammer spur

Pro-Pak Vertical Shoulder Holster · 4 numbers

Size	Fits	Holster numbers
1	3 - 4" barrel medium autos
2	4" barrel medium and intermediate double action revolvers
5	4 1/2 - 5" barrel large autos
15	3 3/4 - 4 1/2" barrel large autos

Sidekick Bandolier Holster · 6 numbers

Size	Fits	Holster numbers
3	Scoped 5 - 6 1/2" barrel medium and large double action revolvers and 4 5/8 - 5 1/2" barrel single action revolvers	9503-1
4	Scoped 7 - 8 1/2" barrel medium and large double action revolvers, 6 - 7 1/2" barrel single action revolvers, and 10" barrel Thompson/Center Contenders	9504-1
13	Scoped 14" - 16" barrel Thompson/Center Super Contenders, Encore; 10" barrel Remington XP-100; 9 1/2 - 10 3/4" barrel single/double action revolvers; Savage Striker	9513-1

Sidekick Vertical Shoulder Holster · 22 numbers

Size	Fits	Holster numbers
0	2 - 3" barrel small and medium double action revolvers	8300-2
1	3 - 4" barrel medium autos and 3 1/4 - 3 3/4" barrel large autos	8301-2
2	3 - 4" barrel medium and large double action revolvers	8302-2
3	5 - 6 1/2" barrel med. and lg. double action revolvers and 4 5/8 - 5 1/2" barrel single action revolvers	8303-2
4	7 - 8 1/2" barrel med. and lg. double action revolvers and 6 - 7 1/2" barrel single action revolvers	8304-2
5	4 1/2 - 5" barrel large autos, open end, safety strap rotates to secure autos either on grip or hammer	8305-2
6	5 1/2 - 6" barrel .22 autos and airguns	8306-2
11	9 1/2 - 10 3/4" barrel single and double action revolvers	8311-2
12	10" barrel Thompson/Center Contenders	8312-2
13	14" and 16" barrel T/C Super Contenders, Encore and 10" barrel Remington XP-100	8313-2
15	3 3/4 - 4 1/2" barrel large autos	8315-2

Sidekick Vertical Shoulder Holster, Scope · 9 numbers

Size	Fits	Holster numbers
3	Scoped 5 - 6 1/2" barrel med. and lg. double action and 4 5/8 - 5 1/2" barrel single action revolvers	8503-1 8503-2
4	Scoped 7 - 8 1/2" barrel med. and lg. double action and 6 - 7 1/2" barrel single action revolvers, and 10" barrel T/C Contenders	8504-1 8504-2
13	Scoped 14" and 16" barrel T/C Super Contenders, Encore and 10" barrel Remington XP-100, and 9 1/2- 10 3/4" barrel single and double action revolvers	8513-1 8513-2

From Uncle Mike's own catalogs (2006 consumer and law-enforcement editions) and Uncle Mike's Law Enforcement's store listings. Many of these holsters are discontinued; the numbers still identify them. Uncle Mike's is its owner's trademark; Chicks Open Carry is not affiliated with it.