Recoil

Points	Skill	Effect
+10	Recoil Reduction +1	The Bowgun's recoil modifier goes up by 2, reducing recoil. No effect while the "Auto-Reload" skill is active, or on Light Bowgun rapid fire.
+20	Recoil Reduction +2	The Bowgun's recoil modifier goes up by 4, greatly reducing recoil. No effect while the "Auto-Reload" skill is active, or on Light Bowgun rapid fire.

Our translation of モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 100.

A skill turns on when the points from armor and decorations add up to the figure shown: +10 or more, or -10 or less. Reaching the next figure swaps it for the stronger skill.

Armor

Armor that gives points to Recoil, highest first.

Name	Part	Rarity	Points
Steadfast Helm Shin	Head	10	+5
SupremeSteadfastCoat	Waist	8	+4
SupremSteadfastBoots	Leg	8	+4
SupremeSteadfastHelm	Head	8	+3
Hermitaur Cap Z	Head	9	+3
SteadfastGuardsShin	Arm	10	+3
Kushala Embrace X	Arm	10	+3
Gravios Guards X	Arm	9	+3
Hermitaur Leggings Z	Leg	9	+3
Steadfast Boots Shin	Leg	10	+3
Kushala Shank X	Leg	10	+3
Gravios Leggings X	Leg	9	+3
Gravios Cap S	Head	6	+2
Steadfast Helm	Head	5	+2
Lava Cap	Head	5	+2
Gravios Vest S	Body	6	+2
Steadfast Vest	Body	5	+2
SupremeSteadfastVest	Body	8	+2
Hermitaur Vest Z	Body	9	+2
Steadfast Vest Shin	Body	10	+2
Kushala Vise X	Body	10	+2
Lava Vest	Body	5	+2
Gravios Guards S	Arm	6	+2
Steadfast Guards	Arm	5	+2
SuprmSteadfastGuards	Arm	8	+2
Lava Guards	Arm	5	+2
Gravios Coat S	Waist	6	+2
Steadfast Coat	Waist	5	+2
Steadfast Coat Shin	Waist	10	+2
Gravios Coat X	Waist	9	+2
Lava Coat	Waist	5	+2
Gravios Leggings S	Leg	6	+2
Steadfast Boots	Leg	5	+2
Lava Leggings	Leg	5	+2
Kushala Snarl X	Head	10	+1
Gravios Cap X	Head	9	+1
Gravios Vest X	Body	9	+1
Hermitaur Guards Z	Arm	9	+1
Hermitaur Coat Z	Waist	9	+1
Kushala Wind Wrap X	Waist	10	+1

Decorations

Decorations that give points to Recoil.

Name	Slots	Points
Shockless Jewel	3	+4
Recoilless Jewel	1	+1