Gear Expert, Daniel Defense Upper WebDaniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group Similar Products 13 / 10 OpticsPlanet Exclusive Daniel Defense Custom Upper Receiver, 14.5 in, 1/7 Twist, Mil Spec (38) $1,300.00 (Save 25%) $979.99 3 models Daniel Defense Flash Suppressor Assembly (5) As Low As (Save Up to $4.32) $55.00 Best Rated RETRO USGI Colt 633 DOE/M231 Shorty Handguards NOS in Wrap MINT! Required fields are marked *. M4A1 Upper Uppers from Daniel Defense are renowned for their quality, durability and performance. This upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Pinned and Welded Surefire SF3P flash hider / suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. Daniel Defense 14.5 Daniel Defense Upper Enable Accessibility. Tactical Gear for the Modern Day Gunslinger, Home The Wire Daniel Defense M4A1 FSP Upper Receiver Group, Daniel Defense has been making top-quality AR parts and weapons systems for over a decade now, with the Daniel Defense M4A1 FSP Upper Receiver Group being one of their latest offerings. Its built like a tank, lets you retain your FSP if you already have an upper or barrel with one, however bear in mind quality comes at a price, and Sign up and get exclusive access to promotions, sales events, pre-order sales & more! Daniel Defense M4A1 FSP Upper The highly accurate 16 M4 profile barrel is QPQ Nitride and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 7 Right Hand twist. WebThis upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Pinned and Welded Surefire SF3P flash hider / suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. The M4A1 series of military rifles are a combined system of different rifle components, and the M4A1 from Daniel Defense is an inhouse blend of the same (except for full-auto for us civilians). WebDaniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth SKU: 23-004-13150 nlobjSearchColumn: Missing a required argument: name MPN: 23-004-13150 Manufactured by Daniel Defense $1,426.00 Out of Stock For individual Officer, First Responder, and Military pricing please make sure you are logged in. WebDaniel Defense Uppers are a mainstay here at Western Sport. We want to ensure that making a return is as easy and hassle-free as possible! WebM4A1 FSP Rail Interface System, RIS II (FDE) | Daniel Defense View Compared 0 M4A1 FSP Rail Interface System, RIS II (Black) SKU 01-004-08030-006 $486.00 Apply Now Review financing options with Skip to the end of the images gallery Skip to the beginning of the images gallery Notify me when this product is in stock Add to Wish List Add to Compare This Daniel Defense M4A1 FSP Upper Receiver Group was built for customers wanting a weapon system inspired by USSOCOM SOPMOD Block II. This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. My Account WebThe Daniel Defense M4A1 SOCOM Block II Upper Receiver features a quad-rail handguard equipped with a Picatinny-compatible rail sections. Shop now and get Free Value Shipping on most orders over $49 to the WebThe M4A1 is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor. Daniel Defense M4 URG M4A1 FSP Click here for details M4A1 FSP The independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. DANIEL DEFENSE M4A1 FSP URG 14.5 UPPER RECEIVER GROUP. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. The site owner may have set restrictions that prevent you from accessing the site. Daniel Defense M4A1 FSP [WTB] Daniel Defense M4A1 FSP URG Upper Receiver Group . One new winner* is announced every week! The M4A1 series of military rifles are a combined system of different rifle components, and the M4A1 from Daniel Defense is an inhouse blend of the same (except for full-auto for us civilians). Roanoke, TX 76262 All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. This upper features the M4A1 FSP RIS II Flat Dark Earth, a 14.5 inch M4 profile cold hammer forged barrel, It has Mil-Spec F-Markings that are on the front sight base. Save my name, email, and website in this browser for the next time I comment. Sign up and get exclusive access to promotions, sales events, pre-order sales & more! WTB LMT 6.5 Creedmoor barrel 22" or 24" in length.. SUPER fast delivery and the tracking was spot on. Daniel Defense M4A1 FSP Upper Receiver Group This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. Get 10% Off - Subscribe to Our Email List, Toll-Free: +1-800-504-5897 FSP All inventory is live; if its in-stock, its ready to ship! This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. M-4 Sopmod Block Exclusive offers on Daniel Defense Uppers! 0 of 0 people found the following review helpful. JavaScript seems to be disabled in your browser. You can purchase this now at Western Sport. WebUpper Upper Receiver BCM (Bravo Company Manufacturing) Upper Barrel BCM 14.5 with a Government Profile Gas Block FSP Muzzle Device Surefire Three Prong Flash Hider Handguard/Rail Daniel Defense M4A1 FSP; Knights Armament Rail Covers BCG ALG Defense/Nitride Bolt Charging Handle I would purchase this if it was in my current budget. Hand assembled, quality checked, and test fired before leaving the Daniel Defense facility. Email: sales@opticsplanet.com, 9AM-7PM CT Mon-Fri WebDaniel Defense, M4A1 Upper Receiver, 223 Rem/556NATO, 14.5" Barrel (16" OAL with Pinned Brake), Carbine Length Gas System, 1:7 Twist, M4 12.0 Rail, Flat Dark Earth Finish, Fits AR Daniel Defense M4A1 Rail Interface System x000D Daniel Defense Rail Panels Made from Santoprene x000D 14.5" Cold Hammer Forged The store will not work correctly in the case when cookies are disabled. WebThis upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider/suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. QD Swivel Attachment Point with QD swivel. M4A1 FSP Upper At Daniel Defense we build Defensive FirearmsWill you be next? Daniel Defense M4A1 FSP Was my first DD rail and bought for a specific purpose, but after installing and handling it, Rock solid lockup, aesthetically pleasing, and exactly what you need if you're doing a block II build! MATERIALS & CONSTRUCTION Were convinced youd have to search high and low for better uppers in this price point. We want to ensure that making a return is as easy and hassle-free as possible! receipt, and we'll cover the cost of return shipping. WebThis upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider/suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. 100 Series; PSAK-47 GF3; PSAK-47 GF4; PSAK-47 GF5; Daniel Defense instills freedom, passion and precision into every firearm they build. Daniel Defense M4A1 Looking to purchase a low salt low round count DD M4A1 FSP upper. The independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. Chrome lined 41V50 chrome moly vanadium steel barrel with manganese phosphate finish. document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Ph (817)393-4000 This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Daniel Defense Upper Complete Upper Features: 9AM-5PM CT Sat-Sun (Chat & Email Only), Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376, TRYBE Defense Ambidextrous Enhanced Mil-Spec Charging Handle, Aero Precision AR15 5.56mm Bolt Carrier Group, Vortex Sport Cantilever 30mm Rifle Scope Ring Mount, JP Enterprises Gen 2 Silent Captured Buffer Spring System, Aero Precision AR15 Lower Parts Kit, w/No FCG/Trigger Guard/Pistol Grip, Aero Precision Enhanced Carbine Buffer Kit, Superlative Arms Adjustable Bleed Off Gas Block, Aero Precision M4E1 Threaded 16in 5.56 M4 w/ ATLAS S-ONE Handguard Complete Upper Receiver, Adaptive Tactical LTG AR Lightweight Tactical Grip, Magpul Industries PRS GEN3 Precision-Adjustable Stock for AR15/M16 and AR10/SR25 platforms, Aero Precision AR-15 Assembled Upper Receiver, Strike Industries Advanced Receiver Extension Buffer Tube, OPMOD Kaw Valley Precision Hybrid-K Linear Compensator, Mantis Blackbeard the Auto-Resetting Trigger System for AR-15, TRYBE Defense AR-15 Flash Can Muzzle Device - Full Flute, Vortex Cantilever Ring Mount for 1-Inch Tube, Sylvan Arms AR15/AR9 Gen3 Folding Stock Adapter, Fostech Echo AR-II Drop-In Binary AR-15 Trigger, TRYBE Defense AR-15 Pistol 10.5in Upper M-LOK, .300 Blackout, Fix It Sticks All-In-One Torque Driver Kits, Phase 5 Weapon Systems Inc Extended Bolt Release V3, TRYBE Defense Low-Mass AR-15 5.56 Complete Bolt Carrier Group, Armasight Vulcan 4.5x Bravo Gen 3 IIT Night Vision Rifle Scope. WebAmmo Bros | DANIEL DEFENSE M4A1 FSP COMPLETE UPPER RECEIVER GROUP Home > gun parts > m4a1 fsp complete upper receiver group (Item # 23-004-09376) DANIEL DEFENSE M4A1 FSP COMPLETE UPPER RECEIVER GROUP Our Price $1,433.00 Item# 23-004-09376 | Out of Stock Check Store Availability (0) Reviews QTY Notify Me Add to Wish List Product Description WebUpper Parts; Kits; Shop all AR-10 . Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer's products. Shop our vast selection and save! TRYBE Defense AR-15 M-LOK 12in Extra Lightweight Handguard w/ Cut Away Rail, Black, 12 Inch, HDG12CR-BL, TRYBE Defense AR-15 M-LOK 12in Extra Lightweight Handguard w/ Cut-Away Rail, Flat Dark Earth, 12 Inch, HDG12CR-FDE, TRYBE Defense AR-15 M-LOK 12in Lightweight Handguard w/ Full Rail, Black, 12 Inch, HDG12FR-BL, TRYBE Defense AR-15 M-LOK 12in Lightweight Handguard w/ Full Rail, Flat Dark Earth, 12 Inch, HDG12FR-FDE, TRYBE Defense Magnite Ultra Function Lightweight Handguard, Full Top Rail, M-LOK, Black, 12in, MGHDG-V1-12FR-BL, TRYBE Defense AR-15 M-LOK Extra Lightweight Quad Handguard w/ Cut Rail, 12in, Black, HDG12QCR-BL, TRYBE Defense Magnite M-Lok Picatinny Rail Section, 9 Slots, Black, TRBDMGRAIL9-BL, TRYBE Defense Magnite M-Lok Picatinny Rail Section, 7 Slots, Black, TRBDMGRAIL7-BL, TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard w/ Full Rail, 12in, Black, HDG12QFR-BL, TRYBE Defense Magnite Go Fast Ultra Lightweight Handguard, Cut Top Rail, M-LOK, Black, 12in, MGHDG-V2-12CR-BL, by The independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. Roanoke, TX 76262 WebBuy DANIEL DEFENSE M4A1 SOCOM FACTORY FDE M4A1 UPPER 14.5 PINNED SUREFIRE SOCOM: GunBroker is the largest seller of AR15 Parts Gun Parts All: 968449575. Your email address will not be published. Advanced Daniel Defenses M4A1 FSP Upper Receiver Group was inspiered by the USSOCOM SOPMOD Block II, and comes packed with Daniel Defense exclusive features. Daniel Defense Uppers from Daniel Defense are For individual Officer, First Responder, and Military pricing please make sure you are logged in. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5in M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider/suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. New Daniel Defense M4A1 FSP Upper Receiver Group New Daniel Defense M4A1 FSP Upper Receiver Group Equipment Exchange AR15 Parts - New - Upper Receiver Search By State Win a FREE Membership! contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses. This upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider / suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. Daniel Defense M4A1 FSP Rail Interface System II, Flat Dark Earth, DD-8030 Daniel Defense M4A1 FSP Rail Interface System II, Flat Dark Earth, DD-8030 2 Models Available Color All Search Color: Flat Dark Earth Code: DDD-HZ-DDM4FSP-DD-8030 MPN: 01-004-08030 UPC: 852548002509 SweatshopSpeed Order by 3PM Central for Same Day Shipping Daniel Defense M4A1 FSP Upper Receiver Group CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized, Barrel: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5in M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested, Gas system: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement, Muzzle device: Surefire SF3P Flash Hider / Suppressor Adapter, Precision Machined from US Mill-Certified Heat-Treated Stainless Steel Bar Stock, Black Ionbond DLC Coating, Pinned and Welded to Barrel, Bolt carrier group: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key, Sights: A1.5 Fixed Rear Sight, 6061-T6 Aluminum, Type III Hard Coat Anodized, Handguard: Daniel Defense M4A1 FSP Rail Interface System (RIS) II, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized FDE. WebThis upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider / suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. Battle-Tested, 6-Bolt Bolt-Up System Securely Attaches Handguard to the Upper Receiver, Uninterrupted Upper Rail Platform & Mil-Spec 1913 Picatinny Rails, Mil-Spec Type III Hard Coat Anodized Finish (FDE or Black), Barrel Nut: Steel (For Patented Bolt-Up System). The barrel is cold hammer forged from mil-spec chrome-moly vanadium steel and features a SOCOM, heavy profile, with a chrome-lined interior, matching military-style barrels with the same construction. Daniel Defense M4A1 FSP Daniel Defense WebDaniel Defense, M4A1 Upper Receiver, 223 Rem/556NATO, 14.5" Barrel (16" OAL with Pinned Brake), Carbine Length Gas System, 1:7 Twist, M4 12.0 Rail, Flat Dark Earth Finish, Fits AR Daniel Defense M4A1 Rail Interface System x000D Daniel Defense Rail Panels Made from Santoprene x000D 14.5" Cold Hammer Forged WebBrownells is your source for Daniel Defense M4 at Brownells parts and accessories. Learn how your comment data is processed. Tactical Gear for the Modern Day Gunslinger, Home Complete AR Uppers Daniel Defense Uppers. Daniel Defense WebThe M4A1 is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor. Many purchase the M1A1 Upper Receiver Group and install it on their lower of choice to create an incredible rifle. Uppers from Daniel Defense are The highly accurate 16 M4 profile barrel is QPQ Nitride and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 7 Right Hand twist. Shop Now. Daniel Defense Shop Now. DANIEL DEFENSE (In Stock) - 0.0. Copyright 1996-2023 AR15.COM LLC. The barrel is treated with a mil-spec manganese phosphate finish, QPQ nitride for steel and chrome lining for durability. Attaches to the receiver nicely, retains your FSP, plenty of space for attaching extras, etc. Looking to purchase a low salt low round count DD M4A1 FSP upper. WebDD4 RIII Upper Receiver Group $1,455.00 5.56mm NATO 16" View M4A1 FSP Upper Receiver Group $1,462.00 5.56mm NATO 14.5" View DDM4 V7 S Upper Receiver Group Starting at: $1,179.00 5.56mm NATO 11.5" View DDM4 300 S Upper Receiver Group Starting at: $1,312.00 300 Blackout 10.3" View MK18 Upper Receiver Group Starting at: WebDaniel Defense Uppers are a mainstay here at Western Sport. WebThis upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider / suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. Around $1100 but willing to negotiate. If youre looking for a Daniel Defense Upper, look no further! WebDaniel Defense M4A1 FSP RIS II - FDE (No reviews yet) Write a Review SKU: 0100408030 UPC: 852548002509 MPN: 0100408030 Availability: In stock if you can add to your cart! If youre not interested in one of our Daniel Defense complete uppers, why not take a look at our wide range of other products from Daniel Defense? DANIEL DEFENSE M4A1 STRIPPED SOCOM UPPER RECEIVER Facebook; Instagram; M4A1 STRIPPED SOCOM UPPER RECEIVER 14.5IN 5.56. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. My Account This Would give it 5 stars plus, however, for the money spent and to not receive a sticker with the upper it only gets a 4. WebUpper Parts; Kits; Shop all AR-10 . Daniel Defense complete upper receiver groups come complete with bolt carrier group and charging handle. Effective flash suppressor helps tame flash and is permanently pinned and welded to meet minimum 16" barrel length. WebBrownells is your source for Daniel Defense M4 at Brownells parts and accessories. Why dont you go ahead and check them out! MATERIALS & CONSTRUCTION Daniel Defense M4 URG M4A1 FSP Feels amazing. 9AM-5PM CT Sat-Sun (Chat & Email Only), Daniel Defense M4A1 FSP Rail Interface System II, Black, DD-8030-BK, Daniel Defense M4A1 FSP Rail Interface System II, Flat Dark Earth, DD-8030. Many purchase the M1A1 Upper Receiver Group and install it on their lower of choice to create an incredible rifle. The independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. WebThe Daniel Defense M4A1 FSP RIS II 14.5 Upper Receiver Group features the rail Daniel Defense provides to USSOCOM and a 14.5 Cold Hammer Forged Barrel. Daniel Defense M4A1 If you are looking for a comparable replacement you can receive sooner, please consider the suggestions from our product experts belowor explore other items in the Gun Parts, AR 15 Parts, AR15 Upper Receivers. 2023 Daniel Defense LLC All Rights Reserved. Daniel Defense Daniel Defense M4A1 FSP Rail Interface System RIS Earn points with every order! M4A1 Upper WebThis upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5 M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider/suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel. An A2 Flash Suppressor and standard A2 F-Marked Front Sight are fitted. WebThe M4A1 is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor. To make the shopping experience with Brownells better, we have a number of representatives in Europe. All Rights Reserved. WebAmmo Bros | DANIEL DEFENSE M4A1 FSP COMPLETE UPPER RECEIVER GROUP Home > gun parts > m4a1 fsp complete upper receiver group (Item # 23-004-09376) DANIEL DEFENSE M4A1 FSP COMPLETE UPPER RECEIVER GROUP Our Price $1,433.00 Item# 23-004-09376 | Out of Stock Check Store Availability (0) Reviews QTY Notify Me Add to Wish List Product Description Daniel Defenses M4A1 FSP Upper Receiver Group was inspiered by the USSOCOM SOPMOD Block II, and comes packed with Daniel Defense exclusive features. Daniel Defense M4A1 To fit the Daniel Defense M4A1 FSP Rail Interface System RIS II to your M&P15 Sport II, you will need to remove your delta ring completely. It features a Surefire SF3P flash hider / suppressor adapter is ready to attach a suppressor, A 1.5 Fixed Rear Sight, a proven M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel to attach your sling. Requested URL: www.brownells.com/rifle-parts/receiver-parts/receivers/upper-receivers/m4a1-stripped-socom-upper-receiver-14-5in-5-56-prod136059.aspx, User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Live Chat Live Chat. Daniel Defense M4 Email: sales@opticsplanet.com, 9AM-7PM CT Mon-Fri document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Ph (817)393-4000 Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. The upper receiver is MIL-SPEC with indexing marks and M4 feed ramps, and is constructed from CNC Machined 7075-T6 aluminum. Click here for details receipt, and we'll cover the cost of return shipping. All Rights Reserved. WebThe M4A1 FSP features a 14.5 Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor. Around $1100 but willing to negotiate. WebThe M4A1 is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor. This Daniel Defense M4 Facebook; Instagram; M4A1 STRIPPED SOCOM UPPER RECEIVER 14.5IN 5.56. DANIEL DEFENSE M4A1 FSP The barrel is cold hammer forged from mil-spec chrome-moly vanadium steel and features a SOCOM, heavy profile, with a chrome-lined interior, matching military-style barrels with the same construction. The Daniel Defense 14.5" M4A1 Complete Upper is the same complete upper receiver assembly used on their M4A1 rifle. You would need to source it directly from Daniel Defense. WebDaniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group Similar Products 13 / 10 OpticsPlanet Exclusive Daniel Defense Custom Upper Receiver, 14.5 in, 1/7 Twist, Mil Spec (38) $1,300.00 (Save 25%) $979.99 3 models Daniel Defense Flash Suppressor Assembly (5) As Low As (Save Up to $4.32) $55.00 Best Rated