101% Original
Lowest Price
Fast Shipping
101% Original
Lowest Price
Fast Shipping
Sale!-10%
Glock 21 Gen V MOS OEM Complete Slide Assembly – .45 ACP – Barrel & Recoil Spring – NEW
$483.99 $439.99
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Orders placed now will ship within 1–2 business days — fast, reliable fulfillment from TCM Stock.
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- Order Processing : Typically ships within 1–2 business days
- Shipping : Fully tracked and securely packaged
Glock 21 Gen V MOS .45 ACP OEM Complete Slide Assembly – Includes Recoil Spring and Barrel – NEW
2026 Production: Current-year manufacturing ensures you receive the latest in OEM quality.
Upgrade your Glock 21 with this factory OEM complete slide assembly designed specifically for the Glock 21 Gen V MOS platform. Chambered in .45 ACP, this complete upper includes the slide, factory barrel, and recoil spring assembly—fully assembled and ready for installation with no aftermarket components.
Featuring Glock’s Modular Optic System (MOS), this slide is optic-ready and allows mounting of compatible red dot optics using factory adapter plates while maintaining OEM fit, reliability, and performance.
Key Features:
- Complete Glock 21 Gen V MOS Slide Assembly – Factory-installed barrel and recoil spring assembly for true drop-in installation.
- Chambered in .45 ACP – Designed for dependable power, smooth cycling, and consistent accuracy.
- Gen V MOS Compatibility – Engineered exclusively for Glock 21 Gen V frames with factory MOS optic cut.
- OEM Glock Quality – Manufactured by Glock to factory standards for precision, durability, and reliability.
- Brand New – Never fired, never modified, and 100% original Glock factory condition.
Specifications:
- Model: Glock 21 Gen V MOS
- Caliber: .45 ACP
- Includes: Complete slide, factory barrel, recoil spring assembly
- Finish: Black nDLC
- Condition: Brand New OEM Part
Purchase & Shipping Information:
- Non-Serialized: This slide assembly is not a serialized component and does not require an FFL.
- Fast Shipping: Ships via USPS Priority within 1 business day after payment for fast, secure delivery.
- Compatibility: Compatible only with Glock 21 Gen V MOS frames. Not compatible with Gen 3 or Gen 4.
Whether you’re building from the frame up or replacing an existing upper, this Glock 21 Gen V MOS OEM Complete Slide Assembly delivers factory reliability, optic readiness, and .45 ACP performance.
Order now—inventory is limited!
| Caliber | .45 ACP |
|---|---|
| Material | Steel |
| Color | Black |
eBay automated feedbackOctober 27, 2026Verified
Order delivered on time with no issues
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eBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issuesr***cOctober 26, 2026Product Received as described! Good communication. Super Quality, Great Value, Good Packaging, Excellent Condition, Appearance Fantastic, and Super fast Shipping! Will Buy Again!!!
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Very new condition great appearance great valueeBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issueseBay automated feedbackOctober 26, 2026Order delivered on time with no issuesa***8October 26, 2026Great products! Great service! Buy with confidence!2***gOctober 25, 2026Quick fast shipping and product in excellent condition. A+ seller.eBay automated feedbackOctober 24, 2026Order delivered on time with no issueseBay automated feedbackOctober 24, 2026Order delivered on time with no issueso***jOctober 24, 2026Easy to contact, quick to reply, fast shipping and items are perfect in appearance, condition and as expected the exceptional SIG quality. Great value for what I needed, and even combined shipping costs because I purchased multiples.2***9October 24, 2026Wow, perfect brand new, fit just perfect they are SIG perfection delivery was right on time. Everything was as said, Thank YoueBay automated feedbackOctober 24, 2026Order delivered on time with no issueseBay automated feedbackOctober 24, 2026Order delivered on time with no issueseBay automated feedbackOctober 24, 2026Order delivered on time with no issueseBay automated feedbackOctober 24, 2026Order delivered on time with no issueseBay automated feedbackOctober 24, 2026Order delivered on time with no issuesc***1October 24, 2026Thank you!!eBay automated feedbackOctober 24, 2026Order delivered on time with no issuese***tOctober 24, 2026As advertised7***rOctober 24, 2026Great!a***aOctober 24, 2026Fast shipping exactly as described great product thank youa***rOctober 24, 2026Quality products from a quality guy - thanks, Tyler!l***lOctober 24, 2026Everything delivered as advertised. Awesome.o***aOctober 24, 2026Case was in good condition and came with everything in pictures.s***2October 24, 2026Good original equipment at a great price. Great seller, just as advertised and shipping is as good.d***kOctober 24, 2026Great experience. Arrived as described.p***1October 24, 2026Good to goa***aOctober 24, 2026No complaints, thank you! Item was as described and shipped quickly.b***iOctober 24, 2026Excellent. Thank you so much, didn't have a case for my pistol+1m***uOctober 24, 2026Excellent quality items exactly as described. Prompt and professional seller. I highly recommend this vendor. Bid and buy with complete confidence. A+_***aOctober 20, 2026Perfect condition. 5 stars.d***dOctober 19, 2026A+.***eOctober 19, 2026Item was exactly as described. Perfect condition and new. Item performed as expected. Messaged the seller one time (he was on vacation at the time) and received an immediate response answering my question. Short and sweet. Just a perfect buying experience. Would definitely purchase from this vendor in the future.l***oOctober 19, 2026Am***5October 19, 2026Great interaction with seller. Quality product.s***9October 19, 2026Thank you!! Quick shipping, well packaged and item as described!!r***aOctober 19, 2026Item arrived as described and promptlyz***rOctober 19, 2026Not the best value but condition and quality is good and great appearance and fast shipping1***eOctober 19, 2026Packaged for got as describedl***4October 19, 2026Nice!t***mOctober 19, 2026Exactly as described, perfect condition for the price,looks new and sturdy, with everything included in the ad. Great seller!0***eOctober 18, 2026Item described exactly Excellent seller. Good communication. Shipping was fast. Definitely use seller again A++++k***5October 17, 2026Received just as stated from seller fast shipping5***5October 17, 2026Package arrived on time and assembly worked perfectly.3***0October 17, 2026Great product as described, well packaged, would definitely buy from this seller againn***pOctober 17, 2026Excellentt***aOctober 17, 2026Excellent product description. It was packed well and shipped quickly. Thank you.l***eOctober 17, 2026Great slide came in a timely fashion thank youj***hOctober 17, 2026Fast shipping. Excellent seller. A+++a***7October 17, 2026Great seller,good customer service,just as described in listing !!!b***iOctober 17, 2026Quick shipping, great seller!i***3October 17, 2026Great quality , condition. Excellent great value of money appears like new.l***oOctober 17, 2026As describedh***cOctober 15, 2026Fast shipping,great packaging ,a real credit to eBay! A++++++2***xOctober 12, 2026New condition, OEM quality and good value.eBay automated feedbackOctober 11, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 10, 2026Order delivered on time with no issueseBay automated feedbackOctober 8, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issuess***iOctober 7, 2026Better than advertised, fast shipping, great seller.eBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 7, 2026Order delivered on time with no issueseBay automated feedbackOctober 6, 2026Order delivered on time with no issuesb***nOctober 5, 2026As described A+A+eBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issuesr***cOctober 5, 2026A+ seller. Exactly what I needed. Would buy from again. Many thanks.r***cOctober 5, 2026A+ seller. Exactly what I needed. Would buy from again. Many thanks.eBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issueseBay automated feedbackOctober 5, 2026Order delivered on time with no issuesa***3October 5, 2026This was an accident. The cases arrived in excellent condition. Shipping was super fast.a***rOctober 4, 2026Great product accuratea***aOctober 3, 2026Assembly as described. Clean and functional. Looking forward to using it this weekend. Thanks!eBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issues_***pOctober 3, 2026great condition came in very well packed..thank youeBay automated feedbackOctober 3, 2026Order delivered on time with no issueseBay automated feedbackOctober 3, 2026Order delivered on time with no issuesk***5October 3, 2026Box was in great condition and shape shipped fastn***iOctober 3, 2026Perfect came as describedn***iOctober 3, 2026Perfect came as describedeBay automated feedbackOctober 3, 2026Order delivered on time with no issuese***fOctober 3, 2026First rate seller. Item was perfect even had the factory sticker in it. Brand new condition. Seller was prompt in shipping the item. Woukd definitely recommend.eBay automated feedbackOctober 3, 2026Order delivered on time with no issuess***5October 3, 2026Great quality great price works greateBay automated feedbackOctober 1, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issuest***ySeptember 30, 2026Great seller! Fast shipping and product arrived in great shape and as advertised. Would 100% do business again with themeBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issuesw***1September 30, 2026Fast shipping.l***gSeptember 30, 2026Everything looks good function well. Thank youeBay automated feedbackSeptember 30, 2026Order delivered on time with no issuesi***fSeptember 30, 2026Always a pleasure to deal with. Great quality for the price. Excellent condition. Highly recommendeBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 30, 2026Order delivered on time with no issueseBay automated feedbackSeptember 29, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issuesr***rSeptember 28, 2026Great seller to deal wth! Fast shipping!eBay automated feedbackSeptember 28, 2026Order delivered on time with no issuese***tSeptember 28, 2026Good transaction. No issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issueseBay automated feedbackSeptember 28, 2026Order delivered on time with no issuest***iSeptember 28, 2026A+++ seller quick shipping great communicationi***fSeptember 28, 2026great value, condition as described. Slow to ship and communicate with sellereBay automated feedbackSeptember 27, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issuesl***aSeptember 26, 2026The item was everything I expected. Great job, fast delivery. Reasonable price. I would deal with again eBay automated feedbackSeptember 26, 2026Order delivered on time with no issues8***ySeptember 26, 2026Awesome price and exactly what I needed.eBay automated feedbackSeptember 26, 2026Order delivered on time with no issueseBay automated feedbackSeptember 26, 2026Order delivered on time with no issues9***aSeptember 26, 2026Good packing, prompt shipment, product as advertised. 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Quality was perfect, condition was new. A Great value with good storage! Appearance is great! Would definitely buy from this seller again!!!!!4***eSeptember 26, 2026Case exactly as advertised and a perfect fit for my SIG 220. Shipping was quick and case well protected in the box. Thank you and God bless.1***lSeptember 24, 2026Excellent A+ transaction, thank you.s***sSeptember 23, 2026Excellent case. Just as described. Fast shipping! Thank youeBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issuesd***oSeptember 23, 2026ThankseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issueseBay automated feedbackSeptember 23, 2026Order delivered on time with no issuesLoad moreVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. 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Please review the following shipping and order details before completing your purchase.
Fast Shipping: Orders ship via USPS Priority within 1 business day of payment receipt for fast and reliable delivery.
Order Accuracy: Please ensure your shipping address is entered correctly at checkout. We are not responsible for delays or delivery issues caused by incorrect or incomplete address information.
California Residents: Before your order can be processed, a clear image of your photo ID must be emailed to contact@tcmstock.com. Orders can only be shipped to the address listed on the photo ID. The ID address will be checked against the order billing and shipping address, and all information must match before the order can be processed.
Compatibility: It is the buyer’s responsibility to verify compatibility with their specific firearm or build prior to purchase. If you are unsure, please contact us before ordering.
Installation: Installation may require fitting or adjustment. Professional gunsmith installation is recommended where applicable.
Disclaimer: By placing an order, the customer confirms that all information provided is accurate. Any costs associated with correcting shipping errors, including return shipping or applicable restocking fees, are the responsibility of the customer.
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