slight rifle tweaks from last pr #1780

Job	Run time
code-tests (CODE)	4m 42s
code-tests (WEB)	3m 4s
map-tests (operation_trebuchet)	1m 55s
map-tests (slayer)	1m 43s
map-tests (firefight)	1m 46s
map-tests (crusade)	1m 56s
map-tests (stranded)	1m 48s
map-tests (first_contact)	2m 26s
map-tests (ks7_elmsville)	3m 44s
map-tests (ks7_elmsville_spaceodp)	3m 38s
map-tests (base_assault)	2m 29s
map-tests (base_assault_unsc_defend_vs_urf)	2m 23s
map-tests (unsc_achlys)	1m 59s
map-tests (base_assault_neutral_base)	2m 4s
map-tests (base_assault_neutral_base_taurus)	2m 18s
map-tests (geminus_city)	3m 23s
map-tests (geminus_city_urf_active)	3m 24s
map-tests (system_conquest)	8m 25s
	53m 7s

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