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Available for AP5, ZF5, MAC-5, POF-5, HK SP5, and PTR platforms. $649.99.", "image": [ "https://cdn.shopify.com/s/files/1/0646/2282/1621/files/as-designs-mp5-super-safety-lower-ap5-zf5-complete-kit.jpg?v=1786467028", "https://cdn.shopify.com/s/files/1/0646/2282/1621/files/as-designs-HK-mp5-super-safety-lower-ap5-zf5-complete-kit_rev2.jpg?v=1786467020", "https://cdn.shopify.com/s/files/1/0646/2282/1621/files/as-designs-mp5k-super-safety-lower-K-size-complete.jpg?v=1786467028", "https://cdn.shopify.com/s/files/1/0646/2282/1621/files/Super_Safety_MP5_Machined_Lower_-_PTR_9C-9CT-9RS_-_Full_Kit.jpg?v=1786467053", "https://cdn.shopify.com/s/files/1/0646/2282/1621/files/AR_MP5-K_Lower_-_PTR_9KT.jpg?v=1786467011" ], "brand": { "@type": "Brand", "name": "AS Designs" }, "manufacturer": { "@type": "Organization", "name": "AS Designs", "address": { "@type": "PostalAddress", "addressCountry": "US" } }, "sku": "ASD-MP5-SS-COMPLETE", "mpn": "ASD-MP5-SS-COMPLETE", "material": "7075-T6 Billet Aluminum - Type III Hardcoat Anodized", "color": "Black", "countryOfOrigin": "US", "category": "Firearm Parts > MP5 > Lowers > Complete Kits", "offers": { "@type": "Offer", "url": "https://www.artakedowntool.com/products/as-designs-mp5-super-safety-lower-complete-kit", "priceCurrency": "USD", "price": "649.99", "priceValidUntil": "2026-12-31", "availability": "https://schema.org/InStock", "itemCondition": "https://schema.org/NewCondition", "shippingDetails": { "@type": "OfferShippingDetails", "shippingRate": { "@type": "MonetaryAmount", "value": "0", "currency": "USD" }, "shippingDestination": { "@type": "DefinedRegion", "addressCountry": "US" }, "deliveryTime": { "@type": "ShippingDeliveryTime", "handlingTime": { "@type": "QuantitativeValue", "minValue": 1, "maxValue": 3, "unitCode": "DAY" }, "transitTime": { "@type": "QuantitativeValue", "minValue": 2, "maxValue": 5, "unitCode": "DAY" } } }, "hasMerchantReturnPolicy": { "@type": "MerchantReturnPolicy", "applicableCountry": "US", "returnPolicyCategory": "https://schema.org/MerchantReturnFiniteReturnWindow", "merchantReturnDays": 30, "returnMethod": "https://schema.org/ReturnByMail", "returnFees": "https://schema.org/FreeReturn" }, "seller": { "@type": "Organization", "name": "The Takedown Tools", "url": "https://www.artakedowntool.com" } }, "additionalProperty": [ { "@type": "PropertyValue", "name": "Lower Material", "value": "7075-T6 Billet Aluminum - CNC machined" }, { "@type": "PropertyValue", "name": "Finish", "value": "Type III Hardcoat Anodized - Black" }, { "@type": "PropertyValue", "name": "Safety System", "value": "Hoffman Tactical Super Safety - M2 Tool Steel" }, { "@type": "PropertyValue", "name": "Trigger Style", "value": "Curved - pre-cut for Super Safety" }, { "@type": "PropertyValue", "name": "Compatible Hosts", "value": "AP5, ZF5, MAC-5, POF-5, HK SP5, HK SP5K, PTR 9C, PTR 9KT" }, { "@type": "PropertyValue", "name": "Markings", "value": "Laser engraved SEMI - SUPER - SAFE" }, { "@type": "PropertyValue", "name": "Kit Contents", "value": "Lower, Super Safety M2 kit, MP5 hammer, mil-spec FCG, anti-walk pins, Slip Trip V5, AR grip" }, { "@type": "PropertyValue", "name": "Ejector Lever", "value": "4140 steel, heat treated, oxide coated - custom AS Designs" }, { "@type": "PropertyValue", "name": "Restricted States", "value": "Does not ship to CA, CO, CT, DE, FL, HI, IL, MA, MD, MN, NJ, NV, NY, OR, RI" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is included in the complete kit?", "acceptedAnswer": { "@type": "Answer", "text": "The complete kit includes the ARMP5v3 CNC billet 7075-T6 aluminum lower (Rev. 2), AS Designs Super Safety M2 tool steel kit with curved trigger, AS Designs MP5 hammer, mil-spec FCG (disconnector and springs), anti-walk pins, Slip Trip V5, and a mil-spec AR grip. Everything needed to install - no additional parts required." } }, { "@type": "Question", "name": "Which MP5 host guns is this lower compatible with?", "acceptedAnswer": { "@type": "Answer", "text": "This lower is available in six host-gun variants: AP5 / ZF5 / MAC-5 / POF-5 (full size MKE clone), AP5-P / ZF5-K / MAC-5K (MP5-K size), H&K SP5 / SP5-L (full size HK), H&K SP5K / SP5K-PDW (K size HK), PTR 9C / 9CT / 9RS (full size PTR), and PTR 9KT (MP5-K PTR). It does not fit PTR or H&K models not listed. Select your host gun from the variant dropdown before adding to cart." } }, { "@type": "Question", "name": "What is the Super Safety and how does it work on an MP5?", "acceptedAnswer": { "@type": "Answer", "text": "The Hoffman Tactical Super Safety is a 3-position active reset safety selector. In the MP5 lower it functions identically to the AR-15 version - Safe, Semi-Auto, and Active Reset. In the Active Reset position, as the bolt carrier cycles the Super Safety cam mechanically forces the trigger forward before the bolt returns to battery, enabling the fastest follow-up fire your trigger finger can produce." } }, { "@type": "Question", "name": "Does this require any modification to my MP5 host gun?", "acceptedAnswer": { "@type": "Answer", "text": "You pin the new lower onto your existing MP5 upper and install the Slip Trip V5 into your upper. No permanent modification to the host gun is required. AS Designs notes that some hand fitment may be required due to tolerance stacking across different host gun manufacturers." } }, { "@type": "Question", "name": "Can I use anti-rotation pins instead of anti-walk pins?", "acceptedAnswer": { "@type": "Answer", "text": "No. AS Designs strongly recommends anti-walk pins - not anti-rotation pins. Anti-rotation pins are not compatible with this lower design." } }, { "@type": "Question", "name": "Is the Atrius Super Selektor compatible with this lower?", "acceptedAnswer": { "@type": "Answer", "text": "No. Do not use the Atrius Super Selektor with this lower. It is incompatible with the Slip Trip V3 and V4 and may damage the lower." } }, { "@type": "Question", "name": "Which states does this not ship to?", "acceptedAnswer": { "@type": "Answer", "text": "This product does not ship to the following states: California, Colorado, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, Nevada, New York, Oregon, and Rhode Island." } } ] } #pw { font-family: &';DM Sans&';, sans-serif; font-size: 15px; line-height: 1.7; } #pw, #pw * { color: inherit; } #pw p, #pw li, #pw td, #pw div, #pw span { color: #111111 !important; } #pw h1, #pw h2, #pw h3 { color: #111111 !important; } #pw strong { color: #111111 !important; } #pw a { color: #b07a28 !important; text-decoration: none !important; } #pw a:hover { text-decoration: underline !important; } /* namespace: .mp5ss */ #pw .mp5ss-badge { display: inline-block !important; background: #b07a28 !important; color: #000000 !important; font-size: 10px !important; font-weight: 700 !important; 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} #pw .mp5ss-links { list-style: none !important; padding: 0 !important; margin: 12px 0 0 !important; } #pw .mp5ss-links li { padding: 7px 0 !important; border-bottom: 1px solid #eeeeee !important; font-size: 14px !important; } #pw .mp5ss-links li:last-child { border-bottom: none !important; } #pw .mp5ss-disclaimer { margin-top: 28px !important; padding-top: 16px !important; border-top: 1px solid #dddddd !important; font-size: 12.5px !important; color: #888888 !important; line-height: 1.6 !important; } AS Designs A ARMP5v3 Rev. 2 A Super Safety A Complete Kit A 6 Host Gun Variants The AS Designs MP5 Super Safety Lower is the most capable drop-in active reset lower available for the MP5 platform. CNC billet machined from 7075-T6 aluminum, Type III hardcoat anodized, and built around the Hoffman Tactical Super Safety with M2 tool steel internals - this complete kit gives you everything needed to run an active reset system in your MP5 host gun without touching your upper or permanently modifying your firearm. Available for six host gun configurations. Select your variant from the dropdown before adding to cart. Want ARC-Fire Instead? If you prefer the ARC-Fire V2 active reset system over the Super Safety, see the AS Designs MP5 ARC-Fire Lower Complete Kit ($749.99) - same premium lower, ARC-Fire V2 internals. What&';s In The Complete Kit ARMP5v3 Lower - Rev. 2 CNC billet 7075-T6 aluminum, Type III hardcoat anodized black. Updated ejector lever mount. Laser engraved SEMI - SUPER - SAFE markings. Super Safety - M2 Tool Steel AS Designs Super Safety kit with M2 tool steel cam and lever, curved trigger - pre-cut and ready to install. MP5 Hammer AS Designs custom MP5 hammer - designed specifically for this lower and the active reset system. Mil-Spec FCG Disconnector and springs - complete fire control group components included. Anti-Walk Pins Required for this lower. Anti-walk pins (not anti-rotation) included in every kit. Slip Trip V5 7075-T6 aluminum Slip Trip V5 - the interface between the AR-style lower and your MP5 upper. Installs into the upper. Custom Ejector Lever 4140 steel, heat treated, oxide coated. Includes ejector lever nut, bushing, and 2x 3mm screws. AR Grip Mil-spec AR grip included. Upgrade options available - contact us before ordering if you want a specific grip. How the Super Safety Works in an MP5 Safe Trigger blocked. No fire. Standard safe position. Semi Standard semi-auto fire. Trigger fires and resets manually as normal. Super (Active Reset) As the bolt carrier cycles, the Super Safety cam mechanically forces the trigger forward before the bolt returns to battery - enabling the fastest follow-up fire your trigger finger can produce. Lower Construction 7075-T6 billet aluminum - the highest-strength aluminum alloy used in firearm construction, CNC machined to tight tolerances Type III hardcoat anodized - mil-spec surface treatment for maximum hardness and corrosion resistance Rev. 2 ejector lever mount - updated design with 4140 steel heat-treated ejector lever, custom bushing, and nut for reliable case ejection Laser engraved markings - SEMI - SUPER - SAFE positions clearly marked on the lower AR-15 FCG compatible - accepts standard AR-15 fire control group components, giving you access to the full aftermarket trigger ecosystem Geissele and other premium AR triggers compatible - if you want to run this lower with a Geissele SSA-E or similar without the Super Safety, it works for that too Host Gun Compatibility - Select Your Variant Variant Compatible Host Guns Size AP5 / ZF5 / MAC-5 / POF-5 Century Arms AP5, AP5-SD A Zenith ZF5, ZF5RS A MAC-5 A POF-5, POF-5PK Full Size AP5-P / ZF5-K / MAC-5K Century Arms AP5-P A Zenith ZF5-K A MAC-5K MP5-K H&K SP5 / SP5-L Heckler & Koch SP5 A SP5-L Full Size H&K SP5K / SP5K-PDW Heckler & Koch SP5K A SP5K-PDW MP5-K PTR 9C / 9CT / 9RS PTR 9C A PTR 9CT A PTR 9RS Full Size PTR 9KT PTR 9KT MP5-K Important Compatibility Notes Does not fit PTR or H&K models not listed above. If your host gun is not in the table, this lower is not compatible - do not order. AS Designs notes that some hand fitment may be required due to tolerance stacking across manufacturers. Do not use anti-rotation pins - anti-walk pins only. Do not use the Atrius Super Selektor - it is incompatible and may damage this lower. Not compatible with cassette triggers. Specs Lower Material 7075-T6 Billet Aluminum - CNC machined Finish Type III Hardcoat Anodized - Black Safety System Hoffman Tactical Super Safety - M2 Tool Steel Trigger Curved - pre-cut for Super Safety Markings Laser engraved SEMI - SUPER - SAFE Ejector Lever 4140 Steel - heat treated, oxide coated Slip Trip V5 - 7075-T6 Aluminum (installs into upper) FCG Mil-spec disconnector and springs - included Pins Anti-walk pins - included (anti-rotation NOT compatible) Grip Mil-spec AR grip - included Design Credit ARMP5v3 designed by s3igu2 - used with approval Manufacturer AS Designs - Active Safety Designs, USA State Restrictions: This product does not ship to California, Colorado, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, Nevada, New York, Oregon, or Rhode Island. Orders placed from restricted states will be cancelled and refunded. Frequently Asked Questions What is included in the complete kit? The complete kit includes the ARMP5v3 Rev. 2 lower, AS Designs Super Safety M2 tool steel kit with curved trigger, AS Designs MP5 hammer, mil-spec FCG (disconnector and springs), anti-walk pins, Slip Trip V5, custom ejector lever assembly, and mil-spec AR grip. Everything needed to install - no additional parts required. Which MP5 host guns is this lower compatible with? Available in six variants: AP5 / ZF5 / MAC-5 / POF-5 (full size MKE clone), AP5-P / ZF5-K / MAC-5K (MP5-K size), H&K SP5 / SP5-L (full size HK), H&K SP5K / SP5K-PDW (K size HK), PTR 9C / 9CT / 9RS (full size PTR), and PTR 9KT (MP5-K PTR). Select your host gun from the variant dropdown before adding to cart. Does not fit PTR or HK models not listed. How does the Super Safety work on an MP5? The Hoffman Tactical Super Safety is a 3-position active reset safety selector. In Active Reset position, as the bolt carrier cycles the Super Safety cam mechanically forces the trigger forward before the bolt returns to battery - enabling the fastest follow-up fire your trigger finger can produce. Safe and Semi positions function as normal. Does this require permanent modification to my MP5? No permanent modification is required. You install the Slip Trip V5 into your existing MP5 upper and pin the new lower on. AS Designs notes some hand fitment may be required due to tolerance stacking across different host gun manufacturers. Can I use anti-rotation pins with this lower? No. Use anti-walk pins only - not anti-rotation pins. Anti-walk pins are included in the complete kit. Is the Atrius Super Selektor compatible? No. Do not use the Atrius Super Selektor with this lower. It is incompatible with the Slip Trip V3 and V4 and may damage the lower. Which states does this not ship to? This product does not ship to California, Colorado, Connecticut, Delaware, Florida, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, Nevada, New York, Oregon, or Rhode Island. Related Products & Resources AS Designs MP5 ARC-Fire Lower - Complete Kit ($749.99) All Super Safety Products FRT vs Super Safety - Full Comparison Are FRT Triggers Legal? - State-by-State Guide Best FRT Triggers for AR-15 - 2026 Buyer&';s Guide Some hand fitment may be required due to tolerance stacking across different MP5 host gun manufacturers. AS Designs recommends installation by a qualified gunsmith. It is the buyer&';s responsibility to verify compatibility with their specific host gun and to comply with all applicable local, state, and federal laws. This product does not ship to CA, CO, CT, DE, FL, HI, IL, MA, MD, MN, NJ, NV, NY, OR, or RI. Design credit: ARMP5v3 by s3igu2 - used with approval. Original ARMP5 concept by UberPoor.