{"title":"AAP-01 Inner Barrels","description":"\u003ch2\u003eAAP-01 Inner Barrels UK\u003c\/h2\u003e\u003cp\u003eAAP-01 inner barrels at Ebog Designs, for the Action Army AAP-01 \/ AAP-01C gas blowback pistol. Tight-bore inner barrels from Action Army, Edgi Custom Works, PDI and TTI in 6.01, 6.03 and 6.05mm bores, with brass and stainless steel options; lengths run 129mm, 131mm and 200mm, plus 84mm for the AAP-01C.\u003c\/p\u003e\u003cp\u003eA 6.03mm bore is the usual first step up from a stock barrel, and the tighter 6.01mm holds the BB more firmly and rewards clean, well-sorted ammunition. Barrel length has to match your slide and hop unit, so measure the barrel you are replacing; the genuine Action Army barrel and bucking sets are in \u003ca href=\"\/collections\/aap-01-replacement-parts\"\u003eAAP-01 replacement parts\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"edgi-custom-works-aap01-inner-barrel-6-01-131mm","title":"Edgi Custom Works - 131mm GBB Inner Barrel - AAP-01","description":"\u003cp\u003eEdgi Custom Works \u003cstrong\u003e131mm GBB inner barrel\u003c\/strong\u003e, cut for the Action Army AAP-01.\u003c\/p\u003e\n\u003cp\u003eIn a gas pistol the barrel is short and the amount of gas behind each BB is fixed, so a tighter, more consistent bore is what lifts group size rather than any gain in power. Every barrel is hand-lapped and finished by Edgi to hold that consistency down its whole length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose on this page:\u003c\/strong\u003e material (brass or stainless steel) and bore (6.01, 6.03, 6.05mm). On bore, the tighter 6.01 holds the BB more firmly and rewards clean, well-sorted ammunition, while a looser bore is more forgiving of dirt and BB tolerance. The stainless steel is the harder-wearing of the two materials and is priced above the brass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Action Army AAP-01. Measure the barrel you are replacing before ordering — length is what decides whether it sits correctly against your hop unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStock size.\u003c\/strong\u003e Every Edgi part is cut to order, so we keep the sizes that sell most on the shelf ready to ship rather than have you wait for one to be made — this is one of them. If you need a different length, material, bore or window cut, \u003ca href=\"\/products\/pre-order-edgi-custom-works-131mm-inner-barrel\"\u003eorder the made-to-order version\u003c\/a\u003e and Edgi will make it to your spec.\u003c\/p\u003e","brand":"Edgi Custom Works","offers":[{"title":"Brass \/ 6.01mm","offer_id":39754928783413,"sku":"EDGI-BR-131-601-GBB","price":53.99,"currency_code":"GBP","in_stock":true},{"title":"Brass \/ 6.03mm","offer_id":57311389417847,"sku":"EDGI-BR-131-603-GBB","price":53.99,"currency_code":"GBP","in_stock":true},{"title":"Brass \/ 6.05mm","offer_id":57311389450615,"sku":"EDGI-BR-131-605-GBB","price":53.99,"currency_code":"GBP","in_stock":true},{"title":"Stainless steel \/ 6.01mm","offer_id":57311389483383,"sku":"EDGI-SS-131-601-GBB","price":78.99,"currency_code":"GBP","in_stock":true},{"title":"Stainless steel \/ 6.03mm","offer_id":57311389516151,"sku":"EDGI-SS-131-603-GBB","price":78.99,"currency_code":"GBP","in_stock":true},{"title":"Stainless steel \/ 6.05mm","offer_id":57311389548919,"sku":"EDGI-SS-131-605-GBB","price":78.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/Edgi-Custom-Works-131mm-GBB-Inner-Barrel-AAP-01-Edgi-Custom-Works-31744217.png?v=1755235483"},{"product_id":"action-army-6-03-barrel-aap-01-129mm","title":"Action Army 6.03 Barrel AAP-01 129MM","description":"\u003cp\u003eA tight bore barrel noticeably increases the accuracy of your AAP-01 over the stock barrel, so you will get tighter shot groups.\u003c\/p\u003e\n\u003cp\u003ePlease note: The additional notches CNC milled into the sides of this custom barrel are for locking the AAP-01 upgrade hop unit securely to further reduce movement and vibration in use.\u003c\/p\u003e\n\u003cp\u003eAction Army part number: \u003cstrong\u003eD01-042\u003c\/strong\u003e\u003c\/p\u003e","brand":"Action Army","offers":[{"title":"Default Title","offer_id":42089293283381,"sku":"D01-042","price":14.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/products\/Action-Army-6.03-Barrel-AAP-01-129MM-Action-Army-32053880.png?v=1755681405"},{"product_id":"edgi-custom-works-aap01c-inner-barrel-6-01-84mm","title":"Edgi Custom Works - 84mm GBB Inner Barrel - AAP-01C","description":"\u003cp\u003eEdgi Custom Works \u003cstrong\u003e84mm GBB inner barrel\u003c\/strong\u003e, cut for the Action Army AAP-01C.\u003c\/p\u003e\n\u003cp\u003eIn a gas pistol the barrel is short and the amount of gas behind each BB is fixed, so a tighter, more consistent bore is what lifts group size rather than any gain in power. Every barrel is hand-lapped and finished by Edgi to hold that consistency down its whole length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose on this page:\u003c\/strong\u003e material (brass or stainless steel) and bore (6.01, 6.03, 6.05mm). On bore, the tighter 6.01 holds the BB more firmly and rewards clean, well-sorted ammunition, while a looser bore is more forgiving of dirt and BB tolerance. The stainless steel is the harder-wearing of the two materials and is priced above the brass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Action Army AAP-01C. Measure the barrel you are replacing before ordering — length is what decides whether it sits correctly against your hop unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStock size.\u003c\/strong\u003e Every Edgi part is cut to order, so we keep the sizes that sell most on the shelf ready to ship rather than have you wait for one to be made — this is one of them. If you need a different length, material, bore or window cut, \u003ca href=\"\/products\/pre-order-edgi-custom-works-84mm-inner-barrel\"\u003eorder the made-to-order version\u003c\/a\u003e and Edgi will make it to your spec.\u003c\/p\u003e","brand":"Edgi Custom Works","offers":[{"title":"Brass \/ 6.01mm","offer_id":42228763033653,"sku":"EDGI-BR-84-601-GBB","price":53.99,"currency_code":"GBP","in_stock":false},{"title":"Brass \/ 6.03mm","offer_id":57311388139895,"sku":"EDGI-BR-84-603-GBB","price":53.99,"currency_code":"GBP","in_stock":false},{"title":"Brass \/ 6.05mm","offer_id":57311388172663,"sku":"EDGI-BR-84-605-GBB","price":53.99,"currency_code":"GBP","in_stock":false},{"title":"Stainless steel \/ 6.01mm","offer_id":57311388205431,"sku":"EDGI-SS-84-601-GBB","price":78.99,"currency_code":"GBP","in_stock":false},{"title":"Stainless steel \/ 6.03mm","offer_id":57311388238199,"sku":"EDGI-SS-84-603-GBB","price":78.99,"currency_code":"GBP","in_stock":false},{"title":"Stainless steel \/ 6.05mm","offer_id":57311388270967,"sku":"EDGI-SS-84-605-GBB","price":78.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/Edgi-Custom-Works-84mm-GBB-Inner-Barrel-AAP-01C-Edgi-Custom-Works-32066927.png?v=1755681937"},{"product_id":"tti-6-03mm-200mm-inner-barrel-gbb-cut","title":"TTI - 6.03mm 200mm Inner Barrel GBB Cut","description":"\u003cp\u003eTTI \u003cstrong\u003e6.03mm tightbore inner barrel\u003c\/strong\u003e, \u003cstrong\u003e200mm\u003c\/strong\u003e, gas blowback cut.\u003c\/p\u003e\n\u003cp\u003eA 6.03mm bore is the usual first step up from a stock barrel: tight enough to lift consistency without being so tight that it starts picking up on dirty BBs. The hop window is cut for gas blowback pistols.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 200mm. Barrel length has to match your slide and chamber, so check against the barrel you are replacing before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Made to Action Army AAP-01 spec. Fits any Tokyo Marui (TM) spec GBB pistol.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTTI part number:\u003c\/strong\u003e TTI-I0005\u003c\/p\u003e","brand":"TTI","offers":[{"title":"Default Title","offer_id":54813091758455,"sku":"TTI-I0005","price":18.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/TTI-6.03mm-200mm-Inner-Barrel-GBB-Cut-TTI-32355050.jpg?v=1755691476"},{"product_id":"tti-6-03mm-129mm-inner-barrel-gbb-cut","title":"TTI - 6.03mm 129mm Inner Barrel GBB Cut","description":"\u003cp\u003eTTI \u003cstrong\u003e6.03mm tightbore inner barrel\u003c\/strong\u003e, \u003cstrong\u003e129mm\u003c\/strong\u003e, gas blowback cut.\u003c\/p\u003e\n\u003cp\u003eA 6.03mm bore is the usual first step up from a stock barrel: tight enough to lift consistency without being so tight that it starts picking up on dirty BBs. The hop window is cut for gas blowback pistols.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 129mm. Barrel length has to match your slide and chamber, so check against the barrel you are replacing before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Action Army AAP-01.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTTI part number:\u003c\/strong\u003e TTI-I0004\u003c\/p\u003e","brand":"TTI","offers":[{"title":"Default Title","offer_id":54983423099255,"sku":"TTI-I0004","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/TTI-6.03mm-129mm-Inner-Barrel-GBB-Cut-TTI-32377141.jpg?v=1755692351"},{"product_id":"pdi-6-01-inner-barrel-129mm-action-army-aap-01-assassin","title":"PDI - GBB Stainless Steel Inner Barrel - 129mm - 6.01mm","description":"\u003cp\u003ePDI's 129mm GBB inner barrel for the Action Army AAP-01, made in stainless steel with a 6.01mm bore. With little clearance around the BB, a tight bore holds it more firmly than a looser one and lets less gas slip past. It rewards clean, well-sorted ammunition, and PDI warn that wax or dust from BBs may scratch or jam a bore this tight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e 6.01mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 129mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 8.55mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e SUS304 stainless steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±0.002mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Action Army AAP-01 Assassin\u003c\/p\u003e\n\u003cp\u003ePDI part number: \u003cstrong\u003e4560249723864\u003c\/strong\u003e\u003c\/p\u003e","brand":"PDI","offers":[{"title":"Default Title","offer_id":55211882316151,"sku":"4560249723864","price":39.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/PDI-6.01-Inner-Barrel-129mm-Action-Army-AAP-01-ASSASSIN-Ebog-Designs-32404663.jpg?v=1755693447"},{"product_id":"pdi-gbb-129mm-6-05mm-tight-bore-inner-barrel-sus304-stainless","title":"PDI - GBB Stainless Steel Inner Barrel - 129mm - 6.05mm","description":"\u003cp\u003ePDI's 129mm GBB inner barrel for the Action Army AAP-01, cold forged in stainless steel with a 6.05mm bore. Wider than the FPS-focused 6.01, it is the bore PDI describe as balancing accuracy with FPS, and they note that range does not rise in proportion to FPS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e 6.05mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 129mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 8.55mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e SUS304 stainless steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±0.002mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Action Army AAP-01\u003c\/p\u003e\n\u003cp\u003ePDI part number: \u003cstrong\u003e4560249724045\u003c\/strong\u003e\u003c\/p\u003e","brand":"PDI","offers":[{"title":"Default Title","offer_id":57455574417783,"sku":"4560249724045","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/4985\/9893\/files\/PDI-Airsoft-GBB-129mm-6.05mm-Tight-Bore-Inner-Barrel-SUS-304-Stainless-Steel-For-use-in-AA-AAP-01-GBB-Pistol-GBBP-outdoor-and-tactical-Airsoft-Upgrade-4560249724045.png?v=1789414123"}],"url":"https:\/\/www.ebog-designs.co.uk\/collections\/aap-01-inner-barrels.oembed","provider":"Ebog Designs","version":"1.0","type":"link"}