Butler Creek Flip Covers

Butler Creek Eyepiece (ocular) Covers

Millimeters	MidwayUSA Product #	Number
31.1	355542	2
33	162766	3A
34.1	305775	1
35.3	490672	3
36.4	676849	5
37	387631	7
37.3	559956	9
37.7	557491	9A
38.5	722723	10
39.4	743815	11
39.9	731192	13
40.8	492909	14
42.2	145465	16
42.5	724243	17
43.2	221864	18
43.9	262098	19
45.1	533097	20
To Convert From Inches to Millimeters, Take the Measurement in Inches and Multiply by 25.4

Butler Creek Objective Covers

Millimeters	MidwayUSA Product #	Number
25.4	362766	1
27.8	169804	4
30	720231	2A
31	483685	2
33	504544	3A
34	106582	3
35.2	213141	5
36.3	650009	7
37.7	122860	9
38.1	163651	10
38.9	757019	13
39.6	526417	15
40.9	500836	17
41.8	240704	19
43.2	409225	20
44.1	632999	21
44.7	401832	23
45.7	116479	25
46.2	309638	26
46.7	463826	27
48	524693	28
48.7	280130	29
49.8	640670	30
50.7	242342	31
51.9	220845	33
53.3	429375	34
56.4	141506	39
57.2	145680	40
58.7	461550	43
59.9	439548	44
61.2	543338	45
61.7	262160	46
62.5	771188	47
63.5	542290	48
65.4	411858	51
66	140179	53
67.1	124220	53A
69.2	497407	54
To Convert From Inches to Millimeters, Take the Measurement in Inches and Multiply by 25.4

Butler Creek Flip-Open Oval Shaped Eyepiece and Objective covers (for Redfield Widefield scopes)

Millimeters	MidwayUSA Product #	Number
Eyepiece 42.2x36.8	585248	15
Eyepiece 43.2x36.1	781820	21
Objective 39.1x34.0	331031	11
Objective 44.7x38.9	183106	12
To Convert From Inches to Millimeters, Take the Measurement in Inches and Multiply by 25.4