SOW - 9mm Pistol Caliber Carbine.docx

STATEMENT OF WORK

9mm Pistol Caliber Carbine United States Secret Service (USSS)

2.0 REQUIREMENTS

2.1 General. The USSS has a requirement for a 9mm Pistol Caliber Carbine, available in both standard and compact/‘PDW’ variants, for use in all environmental conditions, including when discreet carry and/or maximum concealment is required.

The firearm shall be commercially available and exhibit a ‘manual of operation’ consistent with existing/legacy AR-15 family of weapons.

2.2 Design Requirements.

2.2.1 The firearm shall be operable, without modification or alteration, by a right or left-handed user, firing with the right or left hand, depending on handedness.

2.2.2 All external metal parts of the weapon shall have a dark (black or dark grey) subdued, rust/corrosion resistant finish. The finish shall be unaffected by commercially available gun cleaning solvents, such as Simple Green, used in heated ultrasonic cleaning tanks. flaking, peeling, blotching, etc. of the finish is unacceptable.

2.2.3 Operating System. The firearm shall utilize a closed-bolt, mechanically delayed operating system.

2.2.4 Barrel.

The firearm shall be chambered in accordance with current specifications for 9x19mm Parabellum, and function with assorted ammunition ranging in weight from 70 to 147 grains (to include all common SAAMI-spec and Mil-Spec ammunition) as well as frangible ammunition.

2.2.4.1 Barrel Rifling (9x19mm Luger) shall appropriate to achieve accuracy requirements.

2.2.4.2 The muzzle of the barrel shall be threaded to accept suppressor.

2.2.4.3 The muzzle shall be equipped with a direct thread suppressor.

2.2.4.4 The barrel shall have a minimum service life of 5,000 rounds.

2.2.4.5 Barrel service life is defined as a not exceeding 3 Minutes-of-Angle (MOA) and exhibiting no more than 125.0 ft/sec decrease in velocity (in accordance with USSS velocity testing procedures), with observance of offeror’s submitted maintenance protocols.

2.2.4.6 The barrel shall be free of cracks, seams, and other injurious defects and the bore and chamber shall be free of pockets, rings, bulges, and other deformations. The bore and chamber shall be chromium plated, or of equivalent corrosion resistance. Stainless Steel barrels are acceptable. Any coating in the chamber and bore shall be free of nodules, flaking, pits, stripping, anode burrs and evidence of etched base steel. Burrs and sharp edges shall be removed from the chamber edges, and any bolt locking lugs.

2.2.5 Mode of Fire. The weapon shall be semi-automatic.

2.2.6 Fire Selector.

2.2.6.1 The fire control selector shall be ambidextrous in design, via a single lever paddle present on each side of the receiver, adjacent to the rear pistol grip, thereby not requiring the shooter to significantly break their firing grip when actuating.

2.2.6.2 The fire control selector shall be a rotary type and shall have two positions; safe and semi-automatic, with verbiage (in English), or easily understood icons/pictograms, engraved on the lower receiver to indicate corresponding safe/fire position.

2.2.6.2.1 Selector shall rotate manually 90 degrees without binding from one position to another when the hammer is cocked. The selector shall remain in place in each position by a perceptible spring detent load until manually reset.

2.2.6.2.2 With the hammer cocked, when the selector is placed in the "SAFE" position, it shall prevent the trigger from releasing the hammer so that the weapon is incapable of being fired.

2.2.6.2.3 When the selector is placed in the "SEMI AUTOMATIC" position, it shall have a disconnect, so that the weapon is capable of semi-automatic fire only (one shot with each pull of the trigger).

2.2.7 Trigger.

2.2.7.1 The trigger configuration shall be two-stage with no adjustment screws or set screws.

2.2.7.2 The trigger pull shall not measure less than 3.00 pounds, nor more than 5.00 pounds.

2.2.7.3 The trigger shall have a smooth face, cannot be wider than the trigger guard, and shall be the only control inside the area enclosed by the trigger guard.

Any other controls (bolt catch/release, magazine/catch release, etc.) inside the area enclosed by the trigger guard are not acceptable.

2.2.8 Charging Handle. The charging handle shall be located at the rear of the upper receiver.

2.2.8.1 The charging handle shall not reciprocate with the bolt when the weapon is fired.

2.2.8.2 The charging handle shall be equipped with a latch mechanism on each side, so as to facilitate being operated with either hand while the shooter’s other hand is grasping the pistol grip or fore-end.

2.2.9 Bolt Hold-Open Device. The rifle shall be equipped with a magazine-activated bolt hold open device. The bolt hold open device shall also be capable of being activated manually by the operator.

2.2.9.1 The bolt hold open device shall be located – at minimum – on the left side of the receiver (Ambidextrous designs are acceptable), in location similar to Mil-Spec AR15 family of weapons.

2.2.9.2 When the bolt hold open device is activated by the magazine follower and the magazine is subsequently removed, the bolt shall remain in the rear or open position.

2.2.9.3 When the bolt is in the rear or open position and a full magazine is inserted, the bolt shall remain in the rear or open position until the operator manually activates the bolt release.

2.2.9.4 When the bolt catch is released, the bolt shall return to the battery position. Upon release, the bolt shall strip a round from the loaded magazine and load it into the chamber.

2.2.10 Magazine Well / Magazine Release. The weapon magazine well shall be compatible with the GLOCK 17/34/45 17-rd Magazine (OEM Part # 47617) GLOCK 19 15-rd Magazine (OEM Part #47618)

2.2.10.1 The magazine shall be capable of being inserted directly into the magazine well by the operator with one hand, and without any "rocking" type motion.

2.2.10.2 The magazine release shall securely retain the magazine in the magazine well. The magazine (whether empty or full) shall fall free from the magazine well once the magazine release button is activated without any further operator assistance.

2.2.10.3 The magazine release button shall be located on both sides of the receiver, in location similar to AR15 family of weapons.

2.2.10.4 Activation of the magazine release button shall be accomplished with minimum effort by the operator with only one hand and accomplished by pushing inward/laterally into the receiver.

2.2.10.5 The magazine release button shall be spring loaded and the design of the receiver shall provide some shielding against inadvertent activation when placed against standard uniform and/or body armor.

2.2.11 Lower Receiver. The lower receiver shall have laser-etching and/or engraving displaying (but not limited to) make, model/variant, and unique serial number.

2.2.12 Upper Receiver. The weapon shall be equipped with a Mil-Std-1913 Picatinny attachment rail on the top of the receiver for mounting of optics, iron sights, lasers, etc.

2.2.13 Forend/Handguard. The weapon shall have an MLOK-compatible modular free-floating handguard assembly.

2.2.13.1 The handguard assembly shall have MLOK-compatible slots along the length of the handguard at the 3:00, 6:00 and 9:00 o'clock positions.

2.2.13.2 When assembled to the weapon, the upper most Mil-Std-1913 rail of the free-floating handguard assembly shall align and be at the same height as the rail on the receiver. A one piece receiver/handguard assembly is acceptable as long as the barrel is free-floating, the above rail positioning interfaces are present, and handguard portion meets the minimum length requirement detailed in Section 2.9.13.3.

2.2.14 Pistol Grip. The rear pistol grip shall be securely attached to the lower portion of the receiver and shall not interfere with the operation of the selector lever. If applicable to the submission, vendor shall provide interchangeable rear pistol grip adapters (backstraps).

2.2.15 Butt-Stock. The butt stock shall be quickly adjustable for length-of-pull (LOP) without the use of any tools. A folding buttstock is not required, but is acceptable.

2.2.16 Firearm #1 shall be designated as a “Full Size” PCC

2.2.16.1 Height: not to exceed 8.00 inches. (w/o accessories or magazine)

2.2.16.2 Width: not to exceed 2.50 inches.

2.2.16.3 Overall Length: not to exceed 31.00 inches (maximum, w/stock assembly fully extended, not including muzzle device) NTE 29.50” collapsed

2.2.16.4 Weight: 7.00 lbs (maximum; w/o magazine)

2.2.16.5 Barrel Length: 10.0-12.0 inches (min – max; not including muzzle device)

2.2.16.6 Handguard length: 9.00 inches (minimum, measured from the front of the magazine well)

2.2.16.7 Suppressor: Not to exceed 5” in length.

2.2.17 Firearm #2 shall be designated as a “PDW” (Personal Defense Weapon) PCC

2.2.18 Height: not to exceed 8.00 inches. (w/o accessories or magazine)

2.2.19 Width: not to exceed 2.50 inches.

2.2.20 Overall Length: not to exceed 28.00 inches (maximum, w/stock assembly fully extended, not including muzzle device); NTE 23.00” collapsed

2.2.21 Weight: 7.00 lbs (maximum; with iron sights but w/o magazine)

2.2.22 Barrel Length: 6-8.00 inches (min – max; not including muzzle device)

2.2.23 Handguard length: 7.00 inches (minimum, measured from the front of the magazine well)

2.2.24 Suppressor: Not to exceed 5” in length.